The generator matrix

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

generates a code of length 74 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 140.

Homogenous weight enumerator: w(x)=1x^0+1236x^140+1548x^141+1674x^142+4284x^143+4344x^144+3330x^145+6414x^146+5162x^147+3528x^148+6090x^149+5172x^150+3618x^151+4866x^152+2966x^153+1314x^154+1854x^155+842x^156+144x^157+462x^158+102x^159+42x^161+22x^162+12x^164+8x^165+6x^167+6x^170+2x^171

The gray image is a code over GF(3) with n=666, k=10 and d=420.
This code was found by Heurico 1.16 in 199 seconds.