The generator matrix

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

generates a code of length 31 over Z8 who´s minimum homogenous weight is 26.

Homogenous weight enumerator: w(x)=1x^0+28x^26+53x^28+54x^30+256x^31+53x^32+38x^34+17x^36+2x^38+2x^40+6x^42+1x^44+1x^52

The gray image is a code over GF(2) with n=124, k=9 and d=52.
This code was found by Heurico 1.16 in 87.1 seconds.