The generator matrix

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

generates a code of length 77 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 146.

Homogenous weight enumerator: w(x)=1x^0+198x^146+498x^147+822x^148+1464x^149+1278x^150+1308x^151+1818x^152+1604x^153+1650x^154+2340x^155+1570x^156+1374x^157+1386x^158+764x^159+546x^160+444x^161+286x^162+72x^163+84x^164+28x^165+36x^166+6x^167+16x^168+18x^169+24x^170+14x^171+6x^172+6x^173+14x^174+6x^176+2x^183

The gray image is a code over GF(3) with n=693, k=9 and d=438.
This code was found by Heurico 1.16 in 1.53 seconds.