The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+68x^12+332x^13+494x^14+1092x^15+1245x^16+1720x^17+1222x^18+1192x^19+468x^20+252x^21+74x^22+20x^23+10x^24+2x^26

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 0.286 seconds.