The generator matrix

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

generates a code of length 22 over Z8 who´s minimum homogenous weight is 16.

Homogenous weight enumerator: w(x)=1x^0+194x^16+672x^17+1593x^18+2290x^19+3953x^20+4500x^21+5825x^22+5118x^23+4241x^24+2232x^25+1331x^26+462x^27+251x^28+84x^29+19x^30+2x^31

The gray image is a code over GF(2) with n=88, k=15 and d=32.
This code was found by Heurico 1.16 in 6.96 seconds.