The generator matrix

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

generates a code of length 31 over Z8 who´s minimum homogenous weight is 24.

Homogenous weight enumerator: w(x)=1x^0+57x^24+296x^25+513x^26+964x^27+1183x^28+2052x^29+1748x^30+2628x^31+1991x^32+2020x^33+1158x^34+972x^35+408x^36+236x^37+100x^38+44x^39+7x^40+4x^41+1x^42+1x^44

The gray image is a code over GF(2) with n=124, k=14 and d=48.
This code was found by Heurico 1.16 in 3.09 seconds.