The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+78x^18+32x^19+223x^20+128x^21+472x^22+192x^23+482x^24+128x^25+200x^26+32x^27+56x^28+16x^30+5x^32+2x^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 0.461 seconds.