The generator matrix

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

generates a code of length 15 over Z8 who´s minimum homogenous weight is 13.

Homogenous weight enumerator: w(x)=1x^0+138x^13+84x^14+136x^15+15x^16+84x^17+28x^18+24x^19+2x^21

The gray image is a code over GF(2) with n=60, k=9 and d=26.
This code was found by Heurico 1.11 in 0.00131 seconds.