The generator matrix

 1  0  1  1  1  4  1  1  1  1  1  1  1  4  1
 0  1  1  0  3  1  7  0  2  2  1  6  4  0  2
 0  0  2  0  0  4  0  6  6  4  6  6  4  2  0
 0  0  0  2  4  6  6  6  4  4  0  2  6  6  6

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

Homogenous weight enumerator: w(x)=1x^0+145x^12+48x^13+250x^14+160x^15+234x^16+48x^17+116x^18+19x^20+2x^22+1x^24

The gray image is a code over GF(2) with n=60, k=10 and d=24.
This code was found by Heurico 1.16 in 0.0104 seconds.