The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  2  2  2  2  2  1  1  4  1  1  2
 0  2  0  0  0  2  6  2  0  4  0  2  4  2  6  4  6  4  2  2  2  2  0
 0  0  2  0  2  2  6  0  0  0  2  4  0  2  6  6  4  2  4  4  2  0  0
 0  0  0  2  2  0  6  2  0  2  4  0  2  0  6  2  0  2  6  2  4  2  0
 0  0  0  0  4  0  0  0  4  4  4  0  0  4  0  4  4  0  4  4  0  0  4
 0  0  0  0  0  4  0  0  4  0  4  4  4  0  0  4  4  4  0  0  0  0  0
 0  0  0  0  0  0  4  0  0  4  4  4  4  4  0  0  4  0  0  4  0  4  4
 0  0  0  0  0  0  0  4  4  4  0  4  4  4  0  4  0  0  0  0  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+158x^16+390x^18+64x^19+900x^20+512x^21+1574x^22+896x^23+1719x^24+512x^25+866x^26+64x^27+394x^28+114x^30+25x^32+2x^36+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 0.858 seconds.