The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+175x^16+180x^17+920x^18+1020x^19+2682x^20+3476x^21+5400x^22+5004x^23+5478x^24+3452x^25+2728x^26+1012x^27+869x^28+188x^29+168x^30+4x^31+10x^32+1x^44

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 7.76 seconds.