The generator matrix

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

generates a code of length 68 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 126.

Homogenous weight enumerator: w(x)=1x^0+526x^126+342x^127+432x^128+2140x^129+1278x^130+2142x^131+4108x^132+3816x^133+4662x^134+6146x^135+6048x^136+6264x^137+6622x^138+4716x^139+3582x^140+3120x^141+1206x^142+414x^143+782x^144+90x^145+354x^147+168x^150+76x^153+8x^156+2x^159+2x^162+2x^165

The gray image is a code over GF(3) with n=612, k=10 and d=378.
This code was found by Heurico 1.16 in 10.8 seconds.