The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+196x^12+80x^13+744x^14+704x^15+2254x^16+2336x^17+3778x^18+2176x^19+2411x^20+784x^21+676x^22+64x^23+153x^24+18x^26+9x^28

The gray image is a code over GF(2) with n=72, k=14 and d=24.
This code was found by Heurico 1.16 in 1.64 seconds.