The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  1  1  1  1  0  1  1  1  0  1  1  1  1  1  1  1  X  1  1  1  1  1  1  1
 0  1  1  a a^7*X+a^2 a^3 a^7*X+2 a^7*X+a^6 a^5 a^7  0 a^7 a^5 a^7*X+a^6 a^3  1  a a^7*X+a^2 a^7*X+a^6  1 a^7*X+1 a^5  0 a^7 a^7*X+a^2 a^7*X+2 a^6*X+a^2  1 a^3 a^7*X+1 a^7*X+2 X+a^3 X+a^7 X+a^5  X
 0  0 a^7*X  0 a^7*X  X a^6*X a^6*X 2*X a*X a^7*X a*X  X a*X  X  X a^6*X 2*X 2*X a^7*X a^7*X a^5*X a^2*X a^2*X a^6*X  0  X a*X a^2*X a^3*X a^2*X  0 a^7*X a^3*X a^7*X
 0  0  0  X a^7*X a^7*X  X a*X  X a^2*X a^5*X a^6*X a^5*X a^3*X  0 a^6*X a^2*X a^7*X a^3*X 2*X a*X a*X a*X a^6*X a^3*X a^6*X a^3*X a*X a^2*X  0  0 a^7*X a*X a^3*X a^7*X

generates a code of length 35 over F9[X]/(X^2) who´s minimum homogenous weight is 252.

Homogenous weight enumerator: w(x)=1x^0+400x^252+216x^256+1728x^257+1160x^261+648x^264+5184x^265+18144x^266+1072x^270+10368x^273+41472x^274+98496x^275+1120x^279+41472x^282+110592x^283+196560x^284+1112x^288+1024x^297+496x^306+176x^315

The gray image is a linear code over GF(9) with n=315, k=6 and d=252.
This code was found by Heurico 1.16 in 17.9 seconds.