The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+46x^13+78x^14+48x^15+29x^16+24x^17+18x^18+8x^19+2x^20+2x^21

The gray image is a code over GF(2) with n=60, k=8 and d=26.
This code was found by Heurico 1.16 in 0.00113 seconds.