The generator matrix

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

generates a code of length 84 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 157.

Homogenous weight enumerator: w(x)=1x^0+276x^157+420x^158+476x^159+1326x^160+1656x^161+2474x^162+3438x^163+2436x^164+4566x^165+4878x^166+4086x^167+5794x^168+5664x^169+4260x^170+5124x^171+4008x^172+2100x^173+2384x^174+1674x^175+738x^176+250x^177+366x^178+162x^179+24x^180+132x^181+84x^182+32x^183+84x^184+66x^185+14x^186+24x^187+24x^188+6x^191+2x^192

The gray image is a code over GF(3) with n=756, k=10 and d=471.
This code was found by Heurico 1.16 in 12.6 seconds.