The generator matrix

 1  0  0  0  1  1  1  2  4  1  1  1  0  0  1  6  4  1  1  1  6  6  6  2  1  1  1  0  4  1  1
 0  1  0  0  2  4  6  2  1  5  3  1  1  1  7  4  4  6  5  0  2  1  1  1  4  6  3  4  1  2  4
 0  0  1  0  0  5  5  1  5  3  6  3  4  1  6  1  6  6  6  5  1  7  6  5  2  4  7  1  0  7  0
 0  0  0  1  1  1  0  3  5  5  4  2  3  2  7  1  1  2  4  3  5  0  2  7  5  2  4  0  7  3  4
 0  0  0  0  4  0  4  4  0  4  4  0  4  4  0  4  4  4  0  4  0  0  4  0  4  0  0  4  0  4  4

generates a code of length 31 over Z8 who´s minimum homogenous weight is 25.

Homogenous weight enumerator: w(x)=1x^0+68x^25+332x^26+488x^27+826x^28+792x^29+1046x^30+1108x^31+1055x^32+900x^33+734x^34+384x^35+298x^36+96x^37+42x^38+4x^39+12x^40+6x^42

The gray image is a code over GF(2) with n=124, k=13 and d=50.
This code was found by Heurico 1.16 in 0.777 seconds.