The generator matrix 1 0 0 1 1 1 X^2+X 1 1 0 X 1 1 X 1 1 X X 1 1 X^2 X^2+X 1 0 1 1 X^2+X 1 1 1 X X^2+X 1 0 X^2+X 1 1 1 1 1 X X^2 1 1 1 1 1 1 1 1 1 X^2 X^2 1 X 1 1 X 1 1 0 1 0 1 1 0 X 1 1 1 1 0 1 0 0 1 X+1 1 X^2+X X^2+1 1 X X^2+1 X^2+X 1 X^2+X+1 0 X^2 1 X+1 X 1 1 X^2 X X^2+X+1 X^2+X 1 X^2+X+1 1 0 X^2 1 X^2 1 1 1 X^2 X+1 X^2 X^2+X 1 1 X^2 X+1 X^2+1 X X+1 X^2 X^2+1 X^2+X+1 X X^2 1 X^2+X X^2 X X X^2+X X^2+1 X^2+1 1 X X^2 X 1 X 1 X^2 X X^2+X X^2 0 0 1 1 1 0 1 1 X^2+1 X^2+1 1 0 X^2 X 1 X 1 X^2+X X^2+X 1 1 X^2 0 1 X^2+1 1 X^2+1 0 X^2+X+1 X+1 1 X X^2+X+1 X^2+X+1 X^2+X+1 1 X^2+X X^2 X^2+X+1 X+1 X^2 X^2 X X^2+1 0 X+1 X^2 0 X^2+1 X+1 X^2+X 1 X+1 X^2+X+1 1 X+1 X^2+X 1 X^2 X+1 X+1 X 1 X^2+X X+1 1 X^2 X^2+1 X^2+1 X^2+X+1 0 0 0 0 X 0 0 X^2 X^2 X^2+X X X X X X^2+X X^2+X X^2 0 0 0 X^2 X X^2+X X^2+X X^2+X X^2 X^2+X 0 X X X^2+X X^2 X^2 X 0 X^2+X X^2+X X 0 X^2 0 X^2+X X^2+X X^2 X^2 X^2+X X X^2+X X^2+X X^2+X 0 X^2+X X X^2+X X^2 X X^2+X X^2 X 0 X X X X^2 X X^2+X X^2 X X^2 X^2+X X^2+X X^2 0 0 0 0 X X^2 X X^2+X X^2 X^2 X^2+X X^2+X X X^2+X X^2+X X X X^2+X X^2+X 0 X 0 0 X^2 0 X X^2 0 X^2 X^2 0 X^2 X X^2+X X^2 X^2+X X^2 X^2+X X X^2 X^2+X X^2 X^2+X X X^2+X 0 0 X 0 0 0 X^2 X X^2+X X^2 X 0 X 0 X 0 X^2+X X X X^2+X X^2+X X X X 0 X generates a code of length 71 over Z2[X]/(X^3) who´s minimum homogenous weight is 63. Homogenous weight enumerator: w(x)=1x^0+94x^63+189x^64+468x^65+431x^66+660x^67+643x^68+748x^69+619x^70+848x^71+571x^72+656x^73+504x^74+562x^75+354x^76+336x^77+178x^78+172x^79+55x^80+36x^81+18x^82+12x^83+9x^84+12x^85+9x^86+2x^87+2x^88+1x^90+2x^91 The gray image is a linear code over GF(2) with n=284, k=13 and d=126. This code was found by Heurico 1.16 in 3.58 seconds.