The generator matrix

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

generates a code of length 22 over Z8 who´s minimum homogenous weight is 15.

Homogenous weight enumerator: w(x)=1x^0+86x^15+514x^16+1300x^17+2670x^18+4552x^19+7856x^20+9786x^21+11719x^22+10106x^23+7878x^24+4712x^25+2649x^26+1060x^27+452x^28+138x^29+49x^30+4x^31+3x^32+1x^34

The gray image is a code over GF(2) with n=88, k=16 and d=30.
This code was found by Heurico 1.11 in 11.2 seconds.