The generator matrix

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

generates a code of length 16 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 24.

Homogenous weight enumerator: w(x)=1x^0+156x^24+102x^25+300x^26+500x^27+2142x^28+1554x^29+5208x^30+9258x^31+17946x^32+9960x^33+8682x^34+1986x^35+804x^36+216x^37+84x^38+120x^39+12x^40+18x^42

The gray image is a code over GF(3) with n=144, k=10 and d=72.
This code was found by Heurico 1.16 in 1.45 seconds.