The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+8x^21+44x^22+8x^23+1x^24+1x^28+1x^36

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 0.00154 seconds.