The generator matrix

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

generates a code of length 18 over Z8 who´s minimum homogenous weight is 12.

Homogenous weight enumerator: w(x)=1x^0+43x^12+40x^13+105x^14+120x^15+220x^16+352x^17+287x^18+352x^19+225x^20+120x^21+105x^22+40x^23+23x^24+13x^26+2x^30

The gray image is a code over GF(2) with n=72, k=11 and d=24.
This code was found by Heurico 1.16 in 0.0328 seconds.