The generator matrix

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

generates a code of length 23 over Z8 who´s minimum homogenous weight is 20.

Homogenous weight enumerator: w(x)=1x^0+51x^20+110x^21+80x^22+48x^23+72x^24+92x^25+45x^26+3x^28+6x^29+2x^30+1x^32+1x^34

The gray image is a code over GF(2) with n=92, k=9 and d=40.
This code was found by Heurico 1.16 in 0.00605 seconds.