The generator matrix

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

generates a code of length 17 over Z8 who´s minimum homogenous weight is 13.

Homogenous weight enumerator: w(x)=1x^0+64x^13+164x^14+264x^15+349x^16+384x^17+376x^18+240x^19+96x^20+64x^21+36x^22+8x^23+2x^24

The gray image is a code over GF(2) with n=68, k=11 and d=26.
This code was found by Heurico 1.16 in 1.24 seconds.