The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+17x^18+48x^19+56x^20+84x^21+125x^22+84x^23+33x^24+28x^25+13x^26+12x^27+6x^28+4x^30+1x^38

The gray image is a code over GF(2) with n=88, k=9 and d=36.
This code was found by Heurico 1.16 in 0.00606 seconds.