The generator matrix

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

generates a code of length 31 over Z8 who´s minimum homogenous weight is 22.

Homogenous weight enumerator: w(x)=1x^0+28x^22+84x^23+129x^24+180x^25+574x^26+406x^27+1806x^28+844x^29+3620x^30+1044x^31+3593x^32+852x^33+1816x^34+456x^35+573x^36+164x^37+96x^38+56x^39+37x^40+8x^41+10x^42+2x^43+4x^44+1x^52

The gray image is a code over GF(2) with n=124, k=14 and d=44.
This code was found by Heurico 1.16 in 3.64 seconds.