The generator matrix

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

generates a code of length 20 over Z8 who´s minimum homogenous weight is 17.

Homogenous weight enumerator: w(x)=1x^0+28x^17+148x^18+48x^19+84x^20+28x^21+148x^22+12x^23+1x^24+8x^25+4x^27+2x^28

The gray image is a code over GF(2) with n=80, k=9 and d=34.
This code was found by Heurico 1.16 in 0.00643 seconds.