The generator matrix

 1  0  0  1  1  1  1  1  1  1  1  0 2X  1  1  1  0 2X  1  1  1  1  1 2X  1  1  1  X  1 2X  1  X  1  1  1  1  X 2X  1  1  1  1  1  0  0  1  1  1  0
 0  1  0  0  X 2X+1 2X+1  1 2X+2  2  2  1  0  X X+1 X+1  1  1  1 2X+2 2X+2 X+2 X+2  1 2X  0 2X+2  1 2X  1 2X  1  X 2X  0 X+2  1  1 X+2  X  1  0 X+2  1  1  0 X+2  X  1
 0  0  1  1 2X+2 2X X+2 X+1 2X+1  2  0  0  1 2X+2 2X  1 2X+1  2  2 2X+1  X  0  2 2X+2 X+1  X 2X+2 2X+1  2 2X 2X+2  1  1 X+2 2X+1  0 2X  1 2X+2 2X  1 2X 2X 2X+1  X  2  0 X+2 X+1
 0  0  0 2X 2X  0 2X 2X  X  X 2X 2X  X  X  X  0  X  0  X  0  X  0 2X  X  X 2X  0 2X  0 2X  X  X 2X  0  X  X  0  0  0  0 2X 2X 2X 2X  X  0 2X  X  X

generates a code of length 49 over Z3[X]/(X^2) who´s minimum homogenous weight is 91.

Homogenous weight enumerator: w(x)=1x^0+156x^91+228x^92+82x^93+204x^94+222x^95+42x^96+204x^97+204x^98+46x^99+144x^100+120x^101+34x^102+150x^103+90x^104+22x^105+66x^106+66x^107+8x^108+42x^109+30x^110+2x^111+6x^112+12x^113+2x^117+2x^120+2x^132

The gray image is a linear code over GF(3) with n=147, k=7 and d=91.
This code was found by Heurico 1.16 in 0.0635 seconds.