The generator matrix

 1  0  1  1  1  6  1  1  4  1  1  2  0  1  1  1  1  1  1  1  1  0  6  1  1  1  1  1  1  1
 0  1  1  0  3  1  2  7  1  1  6  1  1  7  0  5  4  0  3  4  3  1  1  3  7  7  5  2  3  0
 0  0  2  0  6  0  0  4  4  0  0  4  0  6  6  2  6  6  0  6  4  6  2  2  4  0  2  0  4  0
 0  0  0  2  0  0  6  6  6  2  4  6  4  4  6  6  0  6  4  6  4  2  2  6  0  2  2  0  2  0
 0  0  0  0  4  0  4  0  0  4  0  4  4  4  4  4  4  4  4  0  4  4  0  4  0  4  0  4  0  0
 0  0  0  0  0  4  0  0  0  0  4  4  4  4  0  0  4  4  0  4  4  0  4  4  0  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+59x^24+150x^25+214x^26+294x^27+424x^28+594x^29+651x^30+586x^31+441x^32+266x^33+202x^34+138x^35+32x^36+14x^37+20x^38+6x^39+3x^40+1x^46

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 0.254 seconds.