The generator matrix

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

generates a code of length 15 over Z8 who´s minimum homogenous weight is 14.

Homogenous weight enumerator: w(x)=1x^0+6x^14+48x^15+7x^16+2x^22

The gray image is a code over GF(2) with n=60, k=6 and d=28.
This code was found by Heurico 1.16 in 0.000527 seconds.