The generator matrix

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

generates a code of length 18 over Z9 who´s minimum homogenous weight is 27.

Homogenous weight enumerator: w(x)=1x^0+32x^27+66x^28+72x^29+408x^30+156x^31+252x^32+690x^33+372x^34+432x^35+1252x^36+528x^37+522x^38+952x^39+276x^40+180x^41+280x^42+60x^43+20x^45+8x^48+2x^51

The gray image is a code over GF(3) with n=54, k=8 and d=27.
This code was found by Heurico 1.16 in 0.12 seconds.