The generator matrix

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

generates a code of length 23 over Z8 who´s minimum homogenous weight is 19.

Homogenous weight enumerator: w(x)=1x^0+298x^19+341x^20+642x^21+444x^22+696x^23+457x^24+644x^25+224x^26+250x^27+63x^28+26x^29+4x^30+4x^31+2x^32

The gray image is a code over GF(2) with n=92, k=12 and d=38.
This code was found by Heurico 1.11 in 43.9 seconds.