The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+33x^18+108x^19+171x^20+206x^21+311x^22+410x^23+315x^24+196x^25+153x^26+88x^27+25x^28+14x^29+13x^30+2x^31+2x^34

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 0.046 seconds.