The generator matrix

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

generates a code of length 23 over Z8 who´s minimum homogenous weight is 16.

Homogenous weight enumerator: w(x)=1x^0+195x^16+176x^17+822x^18+1104x^19+2761x^20+3360x^21+5474x^22+4960x^23+5378x^24+3504x^25+2818x^26+1104x^27+782x^28+128x^29+158x^30+34x^32+8x^34+1x^36

The gray image is a code over GF(2) with n=92, k=15 and d=32.
This code was found by Heurico 1.16 in 7.34 seconds.