The generator matrix

 1  0  0  1  1  1  1  1  0  1  1  0  1
 0  1  0  1  0  1  6  7  0  6  7  1  0
 0  0  1  8  8  1  7  6  1  2  5  6  0
 0  0  0  6  0  3  6  3  6  3  0  0  0
 0  0  0  0  3  3  3  0  6  6  0  3  3

generates a code of length 13 over Z9 who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+70x^18+24x^19+210x^20+246x^21+192x^22+582x^23+594x^24+576x^25+1206x^26+762x^27+606x^28+834x^29+456x^30+60x^31+84x^32+54x^33+4x^36

The gray image is a code over GF(3) with n=39, k=8 and d=18.
This code was found by Heurico 1.16 in 0.0522 seconds.