The generator matrix

 1  0  1  1  1  1  1 X+3  1  1  1
 0  1  1  8  3 2X+4  2  1 2X+1 X+3  8
 0  0 2X  0 X+3  3 X+3  3  X 2X+3 2X+6
 0  0  0  6  6  0  3  6  6  0  6

generates a code of length 11 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 16.

Homogenous weight enumerator: w(x)=1x^0+72x^16+516x^18+432x^19+2916x^20+1488x^21+6210x^22+5832x^23+1548x^24+576x^25+86x^27+6x^30

The gray image is a code over GF(3) with n=99, k=9 and d=48.
This code was found by Heurico 1.16 in 8.86 seconds.