The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+14x^21+39x^22+7x^24+2x^29+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 0.00237 seconds.