The generator matrix

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

generates a code of length 31 over Z8 who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+7x^30+46x^31+7x^32+2x^39+1x^46

The gray image is a code over GF(2) with n=124, k=6 and d=60.
This code was found by Heurico 1.16 in 0.00505 seconds.