Previous 78×78 {-1, +1} matrix of largest known determinant

|Det R| = 198851543168372225323480260965772279136263283693540×2⁷⁷ = 18340×19³⁶×2⁷⁷

Ratio of |Det R| to Ehlich/Wojtas bound: 0.659783

M=R^TR:

78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  0  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4 -4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  8  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  8  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  8  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  8  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  8  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  8  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  8  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  8  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  8  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  8  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  8  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  8  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  8  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  8  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  8  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  8  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  8  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2 12  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2 12  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2 12  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2 12  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2 12  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2 12  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2 12  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2 12  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2 12  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2 12  8  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2 12  8  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78 16  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 0  4  4  4  4  4  4  4  4  4  8  8  8  8  8  8  8  8  8  8  8  8  8  8  8  8 12 12 12 12 12 12 12 12 12 12 12 16 78 -2 -6 -6 -2 -2 -2 -2 -2 -2 -2 -2 -2 -2 -2 -2 -2 -2 -2 -2 -2 -2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  6  6
 4 -4  0  0  0  0  0  0  0  8  0  0  0  0  0  0  0  0  0  0  4  4  4  4  4  4  0  0  0  0  4  4  4  4  4  8  8  4 -2 78  6  6  6  6  6  6  6  6  6 10 10 10 10 10 10 10 10 10 10 10 -2  6  6  6  6  6  6  6  6 10 10 10 10 14 14 14 10 14
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -6  6 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -6  6  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -2  6  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -2  6  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -2  6  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -2  6  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -2  6  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -2  6  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -2  6  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -2 10  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -2 10  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -2 10  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -2 10  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -2 10  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -2 10  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -2 10  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -2 10  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -2 10  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -2 10  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -2 10  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2 -2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2  6  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2  6  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2  6  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2  6  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2  6  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2  6  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2  6  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2  6  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2 10  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2 10  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2 10  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2 10  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2 14  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2 14  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2 14  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  6 10  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  6 14  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78

M'=R R^T:

78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4 -8  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4 -8  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4 -4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4 -4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4 -4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4 -4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4 -4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4 -4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4 -4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4 -4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4 -4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4 -4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4 -4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4 -4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4 -4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4 -4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4 -4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2  2  2  2  2  2  2  2  4  4  4  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
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-8 -8 -4 -4 -4 -4 -4 -4 -4 -4 -4 -4 -4 -4 -4 -4 -4  0  0  0  0  0  0  0  0  0  0  0  4  4  4  4  4  4  4  8 -6 -2  2  6 78  6  6  6  6  6  6  6 10 10 10 10 14 14 14  6  6  6  6  6 10 10 10 10 10 10 10 10 10 10 10 10 10 10 14 14 14 14
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 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2  2  2  2 10  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2  2  2  2 10  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2  2  2  2 14  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2  2  2  2 14  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2  2  2  2 14  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78  2
 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2  2  2  2 14  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2 78

++++---++++-+--+-+++-+--+---++-------+-+-+++-+-++--+++++++---+-++++++-+-+-+--+
-++++-+-++++---++-+----++--++-+-+------+-++++-+-++++--++++-++++-+--+---+++-++-
--+---++-++--+++++-+-+++--++-------+---++++---++-+-+++-++-+-+++-+-++-+-+-++--+
+++-++++-+-----+-------+-+---+--+++-++-++-+++-+--+++++---++-+++++++-+---++---+
--++++-+-+---+---+-++-++---+++--+---+--+-+-++++-++++--++--+++--+-+-+++++--+--+
----++-+--+++++++-----+--+--+-+++----+-+++-++-++++--++++++++-+--+---+++-+----+
++---+--++-++++---++-+-+-+--+---++-----+++--+++-+----+--+-+++-+-++++--++++++-+
+++---+---++--+-++--++++-+---+-+-+-----+++-+-+-+++-+---+-+++-+++-+-++--++--+++
+--++--++-+---+----++----+++-++-+-++---++++++--++--++++---++-+++++-+--++-+-+--
+-+-----+-+++--+---+--++++++--+--+--+--+++++++---+-+-++-+++++-++--+-+++---+-+-
-+---+-++---++---++-++--+-++-++--++----+++-++-++-+++-+-+++-+-++--+--++-++++---
+---++++-+--+-+++++-+----++------+-+---+--++-+--+-+---+++++++++-++-++++--++-+-
-+++-+--++--+---++--+-+--+-+--++--++---+++---++--++++++-+-+-++--+++++-+-+--++-
-+++--+++--+-++-----+--+-++-+-+---+-+--++-+-++-++++-+-++++----+-++++++----++-+
++--+++----++-++------+-+--+++----++-+-+-++--+-+++++++++--+++-+--++--+-++-++--
+--++++-+-+-+---+--++--+--++-----+-+-+-++--++++++++-+--+++--++-+--+---+++-++-+
-+--+-++++--++--+-+--++-----+++----++--++-++++-+-+--++-+-++++--+--+++-++-+-++-
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++++---+-----+++-----+--+++---++----++-+-+-+--+-+++-+--++-++++-+-++---++-++++-
---+-++++-++---+----+++++-------+--+-+-+-+--++++--+--+---+++-+-+++++++---++++-
+--+++--+-+-+++-----+++-+------+--+-+--+--++--+----+--+++++-+-+++-++++-+++-+-+
---++-+---------++---+-++++-+--+-+-+++-++++++++-+--++++-+--+-----+++++-+++----
++--+----++--+-+-+--+-+-++-+--+++------++-+-++-++-+-++--++--+--+-+-+-+-++++-++
+---+--+-+----+---++-+++---++-++-++----+++++-++++++---+------+-++-+-++--+++++-
-++--+---++++-+---+-++-+----------++++-++++-+--++-+++-+-+--+++-+----++++-+--++
+--++---++-+-+---++---+-+-+--+--++---+-++-+---+++++++---+-++-++---+++++----+++
+-+-+-+-+----++-+-++-+----+--+-++--+---+-+--+----++++++-++-++--+++--++--+-++++
+-++--+----+++---+++-------+--+---++++-+++-+-++-+-+-++-+-+++--+++--+-+--++--++
-+------++-+--+-++-+--+--------++-++++-+--+++++-++-+-+-+++---+++-+---++--+++--
+--+-++-------++-++----+---+++++----+--+----++++---++++-+++--++-----+-++-+++++
---+-----+-+++-+-----+-+-++--+-+-+++---+--+-+-++++++-+++-++----++--+--+++-+-+-
-+---+---++-----+-+++---+++++----+--+--+------++++-+++++-+++---++++--+---+-+++
--+--++--+-++---+--+----+-+--++++---+--+++++---+--+---+--++--+---+++-+++++++-+
---++-----++---++-+-+++------+--+++-+--+++-+-+---++-+++++-----+-+++---++-++-++
--+---++++-------+--+--++---+--++++--+-++--+---+----+++++-+++-+++----++++-+++-
--+--+-+--+-------++--+-++----++-+-+-+-+--+-++---++++--+---+--+-+--++-++++++-+
-++++-----++-++--+-+-------------+----+-+-++++++--++++++-+++++--+++-+++++++++-
+----+-++-------+------+-----+++-----++-+++--+++++++-+++++-++-++++++-+++-+--++
---------+-----+--+---+-+-+-------+++-+-++-+++++++--+-+-++++++++++-++--++-++-+
------+-----+-------++---+-++---+-----+--++++---++++++-++-+--+++--+++++-++++++
--------------------------------------++--------------------------------------
++-+--++-++-+-+-+-+--++++-+---+-+-------+---+++---+++-++--+---++-+---++-+-----
+++--++-+-+------++--++--+-+-+-++--++---+-+++-+++-+---+++-++----+-+-------+---
++-++++-++-+---+++-+++---+----+-----+----++---++-+--+------+--+++---+++++-+---
+-++-+++-+-+-+--+----++-++-+-+---++------+-+++-++--++---++--+---+----++--+-+--
--+++++-++---++++-+-+---+-----++-++-----+++-++--+--+-+-+--++-+-+--+-------+--+
++--++++--++-+----+++--++---+--+--++----++++--+--+-++---+++------+-+--+---+-+-
+-----+++++++-++-+-++---+----+-+-+--+---++--+-+-+++-++++----+------++----+-+--
+++++----+--+-+--+--+-+++-+-+--+---+-----+-++--+-++--+---+-+--+-+-+---+--+---+
+-++-+--+---++-+-++---++-+--+---++-+----+++------+--+-++-+---+-+-+---+-+-+-+--
--++++-++++---+----+-+--++--++-----++---+----+--+++--+--+++--++------+-++---+-
++++++-+----+--++--+--++--+-----+-+-+---+------++--+-+-++--+-------++---+++++-
+------+++-+-++-+-+-+-++-+-+--------++-----+------+++++--+-+-+----++---++-+---
+++-+--+-+-+--------++----++--+-++-+-+---++--++------++++++---------+--+---+-+
----+-+-+++-++-+-+-+-+-+-+----+---+--+-----+-+-+-+++--+-+-++-----+-------+-+-+
-+-+--++---++--+--+++-+--++-++-+--------+-++-++---++-+--+--+++-++----+-+---+-+
--+-+--++-+++---+++------++-+--++-+------+---++++-+++----++-+-++--+-+--+-++---
++-+-++--++--+----++-----++----++-+--+---+-+++-+-+---+++----+++---++++-+----+-
-++--+--+----++++--++-+---+-++---+---+---+++++++--+-+-+-+-+---++---+----++--+-
--++++-+---++-+-+++--+--++-+---------+--+-+++-++-+---++-----+-++-+-+------++++
-++-+-+++---+--+---+-++----+---+-++---------+-+-+---+-+--+-+-++--+++-+++----++
-+--+++---+--+---+---++---+-+-+--+--++--++------+-++-++--+--+++++--+--+---++--
-+-+---++-+--+-++-+----+---+---+-+-++----+++---++-+--+----+-+-+--+--+++-+--+-+
--+--+----+---++-++-++-+--+--++-+-+-------++-++-++--++---+-++-----++-++-+--+--
----++-+-+++++---+-----+--++-+-+----+----++-++------+--++--+-++++++-----+--++-
---+-+---+-+--++---+-+-----++-++++-+----+--+---+--+++--+++-++-++-++++---------
+-+---+---+-+++-+-------+--++---+++-+-----+--+++-++--+--+--+-+-+++-++-++------
-+---++++--+-+++-+------+-++----+--+----+--+-+--++-+--+--------++-+-+-++++--++
+-+-+---+--+---+--+-++----+++--+----++--+---++-+-+-+---+--+-++--++-+-++-++----
-+-+--------++--+--+++-++--+-+-++----+--+-+--+--++--+-+--++++++-+---+----++---
--+-+-+----+-+----+++-++++---++----+----------+++----++++---++++-++-+-+-++----
---+--++----+-+--++++-+-------+-++--++---++-+--+++-+----+++-+---+++----++---+-
+----+--+--+----++-+-++++-+-+-+---+-------+++---+-+-++-+--+-++--++--+--+----++
-+--+---------++++++---+++-+-+----+--+--++--+-----+----++++----++-++++++---+--
++-+---+--++----++----------+++--+++--------+----+----+-+-++++-+--++-+--+++--+
+-+------++-++-++---+-------+++----+-+--+--++-+-+--+----------+-+++-++-+--+++-
---+--+-+++---+-------+--+++++----+--+--+++---+--------+-+-++----+--+-+-+++-++
-+--+---+---+-+--------+++---++-++-++----+-+-+++---++--+----++--+--+-+----+-++

Notes:

This determinant has been superseded by a new record.
Cannot achieve Ehlich/Wojtas bound since 77=78-1 is not the sum of two squares.
This matrix was found by Will Orrick and Bruce Solomon, 5 May 2004.

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Page created 11 May 2004.
Last modified 8 April 2005.
Comments: maxdet@indiana.edu