The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+60x^16+46x^17+153x^18+266x^19+782x^20+710x^21+1538x^22+1010x^23+1647x^24+746x^25+692x^26+254x^27+194x^28+34x^29+46x^30+6x^31+3x^32+3x^34+1x^40

The gray image is a code over GF(2) with n=92, k=13 and d=32.
This code was found by Heurico 1.16 in 0.547 seconds.