The generator matrix

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

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+144x^140+744x^141+522x^142+1110x^143+1694x^144+870x^145+1800x^146+2602x^147+1146x^148+2034x^149+2230x^150+912x^151+1344x^152+1444x^153+372x^154+330x^155+154x^156+48x^157+12x^158+44x^159+6x^160+12x^161+28x^162+12x^164+32x^165+6x^166+6x^167+6x^168+10x^171+2x^174+6x^175

The gray image is a code over GF(3) with n=666, k=9 and d=420.
This code was found by Heurico 1.16 in 1.44 seconds.