The generator matrix

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

generates a code of length 22 over Z8 who´s minimum homogenous weight is 21.

Homogenous weight enumerator: w(x)=1x^0+12x^21+39x^22+7x^24+4x^25+1x^30

The gray image is a code over GF(2) with n=88, k=6 and d=42.
This code was found by Heurico 1.16 in 0.00216 seconds.