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

generates a code of length 31 over Z8 who´s minimum homogenous weight is 24.

Homogenous weight enumerator: w(x)=1x^0+115x^24+28x^26+212x^28+140x^30+1024x^31+250x^32+84x^34+132x^36+4x^38+49x^40+8x^44+1x^48

The gray image is a code over GF(2) with n=124, k=11 and d=48.
This code was found by Heurico 1.16 in 71.9 seconds.