The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+127x^28+144x^30+128x^32+80x^34+27x^36+3x^40+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 0.0157 seconds.