The generator matrix

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

generates a code of length 32 over Z8 who´s minimum homogenous weight is 25.

Homogenous weight enumerator: w(x)=1x^0+188x^25+624x^26+1056x^27+2013x^28+2414x^29+3627x^30+3852x^31+4774x^32+4256x^33+3913x^34+2514x^35+1887x^36+878x^37+437x^38+160x^39+121x^40+40x^41+7x^42+2x^43+4x^44

The gray image is a code over GF(2) with n=128, k=15 and d=50.
This code was found by Heurico 1.11 in 5.94 seconds.