The generator matrix

 1  0  1  1  1  1  1  0  1  1  1  0  3  1  1  1
 0  1  1  8  0  1  8  1  0  7  8  1  0  7  0  0
 0  0  6  0  0  0  0  0  3  6  6  6  3  0  0  0
 0  0  0  3  0  0  0  3  6  6  3  6  0  0  0  0
 0  0  0  0  3  0  0  6  6  0  6  6  6  0  0  0
 0  0  0  0  0  6  0  6  6  3  6  3  3  6  3  0
 0  0  0  0  0  0  3  3  3  3  0  6  3  6  6  0

generates a code of length 16 over Z9 who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+44x^18+18x^20+130x^21+18x^22+144x^23+264x^24+180x^25+468x^26+1064x^27+720x^28+864x^29+3036x^30+1440x^31+1152x^32+3954x^33+1440x^34+1152x^35+2028x^36+576x^37+576x^38+234x^39+156x^42+22x^45+2x^48

The gray image is a code over GF(3) with n=48, k=9 and d=18.
This code was found by Heurico 1.16 in 0.427 seconds.