The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+204x^18+376x^19+803x^20+810x^21+1259x^22+1226x^23+1397x^24+820x^25+728x^26+316x^27+197x^28+34x^29+16x^30+2x^31+2x^32+1x^38

The gray image is a code over GF(2) with n=92, k=13 and d=36.
This code was found by Heurico 1.11 in 0.338 seconds.