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

generates a code of length 70 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 134.

Homogenous weight enumerator: w(x)=1x^0+294x^134+456x^135+468x^136+648x^137+806x^138+360x^139+642x^140+754x^141+324x^142+516x^143+488x^144+288x^145+294x^146+160x^147+18x^148+24x^149+2x^150+12x^155+4x^165+2x^183

The gray image is a code over GF(3) with n=630, k=8 and d=402.
This code was found by Heurico 1.16 in 1.88 seconds.