The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  2  2  2  4  1  2  1  1  1  1  2  1
 0  2  0  2  0  0  2  6  0  4  6  4  2  6  2  4  2  4  4  2  6  6  0
 0  0  2  2  0  6  2  0  4  2  0  2  2  0  2  2  2  2  0  2  0  4  0
 0  0  0  4  0  0  0  0  4  4  4  0  4  0  0  4  0  4  4  0  4  4  0
 0  0  0  0  4  0  0  0  0  0  0  4  0  4  4  4  4  4  0  4  0  0  0
 0  0  0  0  0  4  0  0  0  4  0  4  4  4  0  0  4  0  0  4  4  0  0
 0  0  0  0  0  0  4  0  4  4  4  4  0  0  4  4  0  4  0  0  0  0  0
 0  0  0  0  0  0  0  4  0  0  0  0  4  4  4  0  4  4  4  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+70x^16+56x^17+110x^18+176x^19+216x^20+464x^21+612x^22+648x^23+640x^24+472x^25+248x^26+192x^27+88x^28+32x^29+44x^30+8x^31+9x^32+10x^34

The gray image is a code over GF(2) with n=92, k=12 and d=32.
This code was found by Heurico 1.16 in 0.196 seconds.