The generator matrix

 1  0  0  1  1  1  6  1  1  1  1  1  4  1  6
 0  1  0  0  1  3  1  4  6  2  2  1  1  7  1
 0  0  1  3  1  0  3  2  4  2  1  6  5  7  7
 0  0  0  4  4  4  0  0  0  4  0  0  4  4  0

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

Homogenous weight enumerator: w(x)=1x^0+103x^12+96x^13+244x^14+200x^15+177x^16+80x^17+96x^18+8x^19+15x^20+4x^22

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 0.00628 seconds.