The generator matrix

 1  0  1  1  1 X+6  1  1 2X  1  1  3  1  1 X+3  1  1 2X+3
 0  1 2X+7 X+6 X+1  1 2X  7  1  3 2X+4  1 X+3 X+4  1 2X+3  4  1

generates a code of length 18 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 35.

Homogenous weight enumerator: w(x)=1x^0+324x^35+240x^36+162x^38+2x^54

The gray image is a code over GF(3) with n=162, k=6 and d=105.
This code was found by Heurico 1.16 in 0.133 seconds.