The generator matrix

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

generates a code of length 17 over Z8 who´s minimum homogenous weight is 12.

Homogenous weight enumerator: w(x)=1x^0+214x^12+112x^13+784x^14+448x^15+2100x^16+928x^17+2000x^18+448x^19+866x^20+112x^21+160x^22+18x^24+1x^32

The gray image is a code over GF(2) with n=68, k=13 and d=24.
This code was found by Heurico 1.16 in 1.45 seconds.