The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+204x^12+16x^13+534x^14+208x^15+1345x^16+800x^17+1930x^18+800x^19+1436x^20+208x^21+522x^22+16x^23+142x^24+22x^26+8x^28

The gray image is a code over GF(2) with n=72, k=13 and d=24.
This code was found by Heurico 1.16 in 2.61 seconds.