The generator matrix

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

generates a code of length 23 over Z8 who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+157x^18+456x^19+703x^20+984x^21+1214x^22+1200x^23+1197x^24+1040x^25+622x^26+392x^27+177x^28+24x^29+22x^30+2x^32+1x^34

The gray image is a code over GF(2) with n=92, k=13 and d=36.
This code was found by Heurico 1.16 in 0.511 seconds.