The generator matrix

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

generates a code of length 70 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 131.

Homogenous weight enumerator: w(x)=1x^0+204x^131+304x^132+306x^133+816x^134+960x^135+666x^136+1902x^137+1602x^138+1458x^139+2754x^140+1952x^141+1206x^142+2322x^143+1364x^144+684x^145+510x^146+302x^147+54x^148+174x^149+42x^150+48x^152+18x^153+18x^155+2x^156+4x^159+4x^162+2x^168+2x^171+2x^183

The gray image is a code over GF(3) with n=630, k=9 and d=393.
This code was found by Heurico 1.16 in 1.35 seconds.