The generator matrix

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

generates a code of length 85 over Z3[X]/(X^2) who´s minimum homogenous weight is 163.

Homogenous weight enumerator: w(x)=1x^0+186x^163+288x^164+86x^165+264x^166+216x^167+60x^168+144x^169+186x^170+26x^171+150x^172+102x^173+30x^174+96x^175+48x^176+4x^177+30x^178+24x^179+18x^180+36x^181+54x^182+4x^183+42x^184+24x^185+4x^186+6x^187+24x^188+6x^190+6x^191+6x^192+12x^193+2x^195+2x^204

The gray image is a linear code over GF(3) with n=255, k=7 and d=163.
This code was found by Heurico 1.13 in 51.9 seconds.