The generator matrix 1 0 0 1 1 1 X X^2+X 1 1 X^2 1 1 X^2+X 1 1 X 1 X^2+X 1 X^2+X 1 1 0 1 1 X^2+X X X^2 X X^2+X 1 1 1 X^2 X^2+X 1 1 0 1 1 1 1 1 X^2+X X^2+X X^2 1 0 1 1 1 X^2+X X^2+X 1 1 X 1 1 1 1 1 1 1 X^2 0 1 X^2 0 1 0 0 X^2+1 X+1 1 0 X^2 X^2+X+1 1 0 1 1 X^2 X^2+1 1 X 1 X^2+X+1 X X^2 X+1 1 X^2+X X^2+1 X^2+X 1 1 1 0 0 X+1 X^2+X+1 1 1 X 1 1 X^2 1 1 X X^2+X 1 1 X^2+X X 1 0 1 X^2+X+1 1 1 0 0 1 1 X^2+X+1 X+1 X^2 X+1 X+1 X 1 1 1 1 0 0 1 1 X^2+1 X^2 X^2+1 1 0 X+1 1 X^2+X+1 0 X^2 0 1 1 X^2+1 X^2+X X^2+X 1 X^2 X+1 X^2+1 X^2+1 X^2 1 X^2+X X^2+X+1 0 1 1 0 1 X^2+X X+1 X+1 X^2+X+1 X^2 X^2+X X X^2+X+1 X^2 X X^2+X+1 X^2 1 X X^2 X+1 X^2+1 1 X^2+X+1 X^2+1 X^2+1 X X^2 X+1 X+1 X^2+X X^2+X 1 X^2 X^2+X X^2+1 X^2+X+1 X X 0 0 0 X X 0 X X^2+X X 0 0 X^2 X^2+X X^2+X X^2 X^2+X X^2+X X^2 X^2+X X^2+X X^2+X X^2+X X^2 X^2 X^2+X X^2 X^2 0 X X^2 0 X^2 X^2+X 0 X^2+X X X 0 X 0 X^2+X X X^2+X 0 X^2 0 0 X^2+X X^2 X X^2 X X^2+X X^2 0 X X X^2 X 0 X^2 X^2+X X^2 X X X X 0 generates a code of length 68 over Z2[X]/(X^3) who´s minimum homogenous weight is 63. Homogenous weight enumerator: w(x)=1x^0+142x^63+183x^64+294x^65+225x^66+246x^67+188x^68+188x^69+127x^70+112x^71+88x^72+66x^73+48x^74+30x^75+16x^76+32x^77+12x^78+30x^79+4x^80+12x^81+3x^82+1x^86 The gray image is a linear code over GF(2) with n=272, k=11 and d=126. This code was found by Heurico 1.16 in 0.309 seconds.