The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  2  2  4  2  2  1  1  1  2  4
 0  2  0  0  0  0  0  0  0  0  2  4  6  2  4  2  4  2  0  2  4  2  2  4  2  4  4  2  0  2
 0  0  2  0  0  0  2  6  2  4  2  4  2  0  6  2  2  0  6  6  2  6  2  4  0  4  0  4  4  4
 0  0  0  2  0  2  2  2  4  6  0  6  4  0  2  2  6  2  4  0  4  0  2  6  4  2  2  0  0  0
 0  0  0  0  2  2  4  6  2  0  0  6  6  2  0  6  2  4  4  0  0  0  2  6  2  6  6  4  2  6
 0  0  0  0  0  4  4  4  0  4  4  0  4  0  4  0  0  0  4  0  0  4  4  4  0  0  4  4  4  0

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

Homogenous weight enumerator: w(x)=1x^0+255x^24+28x^25+268x^26+104x^27+677x^28+396x^29+688x^30+336x^31+673x^32+148x^33+288x^34+8x^35+170x^36+4x^37+32x^38+15x^40+4x^42+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 26.5 seconds.