The generator matrix

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

generates a code of length 74 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 142.

Homogenous weight enumerator: w(x)=1x^0+264x^142+216x^143+880x^144+630x^145+432x^146+750x^147+720x^148+486x^149+374x^150+528x^151+270x^152+604x^153+258x^154+54x^155+58x^156+18x^157+12x^163+4x^177+2x^183

The gray image is a code over GF(3) with n=666, k=8 and d=426.
This code was found by Heurico 1.16 in 0.287 seconds.