The generator matrix

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

generates a code of length 16 over Z8 who´s minimum homogenous weight is 13.

Homogenous weight enumerator: w(x)=1x^0+42x^13+69x^14+120x^15+59x^16+116x^17+55x^18+40x^19+4x^20+2x^21+3x^22+1x^26

The gray image is a code over GF(2) with n=64, k=9 and d=26.
This code was found by Heurico 1.16 in 0.00296 seconds.