The generator matrix

 1  1  1  1  1  1  1  1  1  2  1  2  2  1  1  2  2
 0  2  0  0  0  0  0  0  0  4  2  4  2  4  2  2  6
 0  0  2  0  0  4  6  2  2  0  0  4  6  2  4  0  0
 0  0  0  2  0  6  6  6  4  0  4  4  4  0  6  2  0
 0  0  0  0  2  2  4  6  2  2  6  2  0  6  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+85x^12+8x^13+236x^14+128x^15+444x^16+240x^17+458x^18+128x^19+227x^20+8x^21+72x^22+11x^24+2x^26

The gray image is a code over GF(2) with n=68, k=11 and d=24.
This code was found by Heurico 1.16 in 0.0377 seconds.