The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+381x^16+940x^17+2888x^18+5308x^19+9973x^20+14524x^21+20286x^22+21636x^23+20933x^24+15204x^25+10108x^26+4932x^27+2587x^28+884x^29+350x^30+60x^31+77x^32

The gray image is a code over GF(2) with n=92, k=17 and d=32.
This code was found by Heurico 1.11 in 48.4 seconds.