The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+10x^18+15x^20+32x^21+144x^22+32x^23+11x^24+5x^26+5x^28+1x^42

The gray image is a code over GF(2) with n=88, k=8 and d=36.
This code was found by Heurico 1.16 in 0.00806 seconds.