The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  0  2  0  2  0  2  4  2  0  2  2  4  4  2
 0  2  0  6  0  6  0  2  4  6  4  2  4  6  4  2  6  2  6  2  6  2  6  2  2  2  2  2  2  2  2
 0  0  4  0  0  4  4  4  4  0  4  0  0  4  0  4  0  0  4  4  0  0  4  4  4  4  0  0  4  0  4
 0  0  0  4  4  4  4  0  0  0  4  4  4  0  0  4  0  4  4  0  4  0  0  4  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+30x^30+64x^31+31x^32+2x^46

The gray image is a code over GF(2) with n=124, k=7 and d=60.
This code was found by Heurico 1.16 in 0.168 seconds.