The generator matrix

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

generates a code of length 31 over Z8 who´s minimum homogenous weight is 28.

Homogenous weight enumerator: w(x)=1x^0+110x^28+64x^29+88x^30+95x^32+64x^33+64x^34+16x^36+8x^38+2x^44

The gray image is a code over GF(2) with n=124, k=9 and d=56.
This code was found by Heurico 1.16 in 0.0119 seconds.