The generator matrix

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

generates a code of length 15 over Z8 who´s minimum homogenous weight is 12.

Homogenous weight enumerator: w(x)=1x^0+77x^12+24x^13+116x^14+80x^15+126x^16+24x^17+44x^18+19x^20+1x^24

The gray image is a code over GF(2) with n=60, k=9 and d=24.
This code was found by Heurico 1.16 in 0.00731 seconds.