The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+106x^20+212x^21+184x^22+140x^23+126x^24+124x^25+48x^26+20x^27+38x^28+16x^29+8x^30+1x^32

The gray image is a code over GF(2) with n=92, k=10 and d=40.
This code was found by Heurico 1.11 in 0.0308 seconds.