The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+31x^30+192x^31+31x^32+1x^62

The gray image is a code over GF(2) with n=124, k=8 and d=60.
This code was found by Heurico 1.16 in 0.0091 seconds.