The generator matrix

 1  1  1  1  1  1  1  1  1  1  2  1  1  2  0  2  0  2  4  2  0  2  1
 0  2  0  0  0  0  0  0  0  2  2  6  6  4  2  2  2  0  2  4  2  4  4
 0  0  2  0  0  0  2  6  2  2  2  0  6  6  0  4  2  2  6  2  2  6  0
 0  0  0  2  0  2  2  6  0  0  0  6  2  2  4  0  6  0  6  6  0  4  0
 0  0  0  0  2  2  0  6  2  0  4  2  2  4  0  2  0  6  6  6  2  6  2
 0  0  0  0  0  4  0  0  0  0  0  0  0  4  4  4  0  0  4  0  4  4  0
 0  0  0  0  0  0  4  0  0  0  4  4  4  0  0  0  0  0  4  4  4  4  0
 0  0  0  0  0  0  0  4  0  4  4  4  0  4  4  0  4  4  4  4  4  0  0
 0  0  0  0  0  0  0  0  4  4  4  0  4  0  0  4  0  4  0  4  4  4  4

generates a code of length 23 over Z8 who´s minimum homogenous weight is 14.

Homogenous weight enumerator: w(x)=1x^0+76x^14+104x^15+301x^16+608x^17+666x^18+2106x^19+1264x^20+5496x^21+1785x^22+7872x^23+1762x^24+5624x^25+1312x^26+2100x^27+692x^28+552x^29+242x^30+104x^31+72x^32+8x^33+14x^34+2x^35+4x^36+1x^38

The gray image is a code over GF(2) with n=92, k=15 and d=28.
This code was found by Heurico 1.16 in 8.81 seconds.