The generator matrix

 1  0  0  1  1  1  2  4  1  1  2  1  2  1  1  1  1
 0  1  0  1  2  7  1  0  6  5  1  6  1  7  7  5  0
 0  0  1  1  1  0  1  1  6  3  0  2  3  5  0  6  4
 0  0  0  2  0  6  4  6  4  0  6  2  2  0  6  6  4
 0  0  0  0  4  4  4  0  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+34x^12+136x^13+281x^14+500x^15+715x^16+792x^17+711x^18+480x^19+254x^20+128x^21+47x^22+12x^23+4x^24+1x^26

The gray image is a code over GF(2) with n=68, k=12 and d=24.
This code was found by Heurico 1.16 in 0.0834 seconds.