The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+207x^12+96x^13+664x^14+752x^15+2336x^16+2176x^17+3772x^18+2336x^19+2452x^20+672x^21+608x^22+112x^23+182x^24+12x^26+5x^28+1x^32

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 2.62 seconds.