The generator matrix

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

generates a code of length 22 over Z8 who´s minimum homogenous weight is 20.

Homogenous weight enumerator: w(x)=1x^0+212x^20+136x^22+114x^24+40x^26+8x^28+1x^32

The gray image is a code over GF(2) with n=88, k=9 and d=40.
This code was found by Heurico 1.11 in 1.3 seconds.