The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+108x^15+490x^16+1268x^17+2694x^18+4524x^19+8057x^20+9426x^21+12209x^22+9468x^23+8329x^24+4658x^25+2573x^26+1124x^27+403x^28+134x^29+59x^30+8x^31+2x^33+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 1.16 in 23.7 seconds.