The generator matrix

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

generates a code of length 18 over Z8 who´s minimum homogenous weight is 14.

Homogenous weight enumerator: w(x)=1x^0+58x^14+16x^15+233x^16+112x^17+208x^18+112x^19+202x^20+16x^21+50x^22+10x^24+4x^26+2x^28

The gray image is a code over GF(2) with n=72, k=10 and d=28.
This code was found by Heurico 1.16 in 0.00934 seconds.