The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  X  X  1  1  X  X  X  1  X  X  X
 0  3  6  0  3  6  0  3  6  0  3  6  0  3  6  3  6  0  3  0  3  6  6  0  3  0

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+12x^51+54x^52+8x^54+6x^60

The gray image is a code over GF(3) with n=234, k=4 and d=153.
This code was found by Heurico 1.16 in 0.0032 seconds.