The generator matrix

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

generates a code of length 12 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 20.

Homogenous weight enumerator: w(x)=1x^0+264x^20+70x^21+942x^22+816x^23+1720x^24+1788x^25+816x^26+68x^27+24x^28+48x^29+2x^30+2x^33

The gray image is a code over GF(3) with n=108, k=8 and d=60.
This code was found by Heurico 1.16 in 0.0159 seconds.