The generator matrix

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

generates a code of length 22 over Z8 who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+177x^18+512x^20+715x^22+458x^24+151x^26+20x^28+13x^30+1x^32

The gray image is a code over GF(2) with n=88, k=11 and d=36.
This code was found by Heurico 1.16 in 21.1 seconds.