The generator matrix

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

generates a code of length 30 over Z8 who´s minimum homogenous weight is 24.

Homogenous weight enumerator: w(x)=1x^0+133x^24+48x^25+230x^26+240x^27+595x^28+480x^29+670x^30+480x^31+571x^32+240x^33+242x^34+48x^35+84x^36+10x^38+23x^40+1x^44

The gray image is a code over GF(2) with n=120, k=12 and d=48.
This code was found by Heurico 1.16 in 3.16 seconds.