The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+28x^20+126x^21+71x^22+120x^23+63x^24+32x^25+20x^26+32x^27+4x^28+10x^29+5x^30

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 0.00412 seconds.