The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+131x^20+192x^21+226x^22+167x^24+192x^25+68x^26+33x^28+10x^30+4x^32

The gray image is a code over GF(2) with n=92, k=10 and d=40.
This code was found by Heurico 1.16 in 0.123 seconds.