The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+37x^18+102x^19+127x^20+324x^21+224x^22+438x^23+230x^24+312x^25+106x^26+98x^27+24x^28+4x^29+16x^30+2x^31+1x^32+1x^34+1x^36

The gray image is a code over GF(2) with n=92, k=11 and d=36.
This code was found by Heurico 1.16 in 0.0453 seconds.