The generator matrix

 1  0  1  1  1  1  1 X+6  1  1  1 2X  1  1  1  1  1  1  1  1  1  3 X+3 2X+3  1  1
 0  1 2X+7  8 X+6 X+1 X+5  1 2X  7 2X+8  1  3 2X+4  2 X+3 X+4 X+2 2X+3  4 2X+2  1  1  1  6  X

generates a code of length 26 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 51.

Homogenous weight enumerator: w(x)=1x^0+372x^51+162x^52+188x^54+6x^60

The gray image is a code over GF(3) with n=234, k=6 and d=153.
This code was found by Heurico 1.16 in 0.00266 seconds.