The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+89x^18+236x^19+232x^20+368x^21+266x^22+340x^23+213x^24+164x^25+77x^26+32x^27+18x^28+12x^29

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 0.0454 seconds.