The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  2  1  1  1  2  1  1  1
 0  2  0  6  0  6  4  6  0  6  0  0  6  6  2  4  4  4  0  0
 0  0  4  0  0  0  4  0  0  0  4  0  4  4  4  4  4  0  4  0
 0  0  0  4  0  0  0  4  0  0  4  4  4  4  0  0  4  4  0  4
 0  0  0  0  4  0  4  0  0  4  0  4  4  0  4  0  4  4  4  0
 0  0  0  0  0  4  0  4  4  4  0  4  0  4  0  4  4  0  0  4

generates a code of length 20 over Z8 who´s minimum homogenous weight is 16.

Homogenous weight enumerator: w(x)=1x^0+39x^16+64x^18+64x^19+191x^20+64x^21+48x^22+24x^24+16x^26+1x^36

The gray image is a code over GF(2) with n=80, k=9 and d=32.
This code was found by Heurico 1.16 in 0.00567 seconds.