The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  0  2  1  0  2  1  0  4
 0  2  0  0  0  2  6  2  4  0  4  2  2  4  6  2  6  2  2  6  6  4  2
 0  0  2  0  2  2  2  4  6  2  4  2  6  4  0  4  2  0  2  2  6  0  4
 0  0  0  2  2  0  2  6  2  4  0  0  6  2  4  4  6  2  2  2  2  2  6
 0  0  0  0  4  0  0  0  0  0  4  0  4  4  4  0  4  0  0  4  4  4  0
 0  0  0  0  0  4  4  0  4  4  0  0  0  0  0  4  0  4  0  4  4  0  4

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

Homogenous weight enumerator: w(x)=1x^0+124x^18+24x^19+283x^20+128x^21+362x^22+208x^23+397x^24+128x^25+248x^26+24x^27+77x^28+34x^30+10x^32

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 0.0757 seconds.