The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+222x^20+120x^22+134x^24+8x^26+26x^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 1.16 in 0.626 seconds.