The generator matrix 1 0 0 1 1 1 0 X^3 1 1 X^3 X^2 1 1 1 1 X^3+X X^3+X 1 X^3+X 1 1 1 X^3+X^2+X X^2+X 1 1 X^3+X^2 1 1 X^3+X^2+X 1 X^3+X X^2+X 1 1 X^3+X^2+X 1 1 X^3+X^2 1 X 1 1 X^2 1 1 1 X^3+X^2 1 X^2 X X^2+X 1 X^2 X^3 1 1 0 0 X^2+X 1 1 1 1 X^2 1 1 1 1 1 1 1 X 1 1 X^3+X^2 1 1 1 1 1 1 0 1 0 0 X^2+1 X^2+1 1 X^3+X^2+X X^3 X^3+X^2+1 1 1 X^3+X^2 1 X^2+X X+1 1 X^2+X X 1 X^3+X+1 X^3+X^2+X+1 X^2+X+1 0 1 X^3+X^2 X^3 1 X^3+X^2 X^3+X+1 1 X^3+X^2+X X^3+X 1 X^3+X X 1 X^3+1 1 0 X^2+X 1 X 1 1 X^3+X+1 X^3+X^2+X X^3+X^2+X 1 X^2 X^3+X^2+X 1 X^3+X X^3+X^2+X+1 1 1 X^3+1 X X^3 X^3+X^2 1 X^3 X^3+X^2+X+1 X^2+1 X^3+X^2 X^3+X X+1 X^3+X^2+1 0 X^2 X X X^3+X^2 0 X+1 X^3+1 1 X^3 X X^3 X^2 X^2 0 0 0 1 X+1 X^3+X+1 X^3 X^3+X^2+X+1 1 X^3+X^2+X X^2+1 1 X^3+X X^3+X^2+1 X X^3+X+1 X^2 X^3+X^2+1 1 X X^3+X^2+X X^2+X+1 X^3+X^2+X X^2+1 1 0 X+1 X^3+X^2 X^2+1 1 X^3+X X^2+X+1 X^3+X^2 1 X^3+X^2+X X^3+X^2 X+1 X^2+1 X^3 X^3+X^2+X+1 1 X^3+X^2+1 X^3 X^2+X+1 1 X+1 0 X^2+X X^3+X^2+1 0 X^3+1 1 X^3+X^2 1 X^2+X+1 X^3+X X^3+X^2+1 X^3+X+1 X^3+X 1 1 X^3+X X^3+1 X^3 X^3+X^2+X X^3+X 1 X^3+X^2+1 0 X^2 X^2+1 X^3+X^2+1 1 X+1 1 X^3+1 X^3+X+1 X^2+1 X^2+X+1 X^2+1 X^3+X^2+1 X^2+X+1 X^2+X+1 X^2+X 0 0 0 X^3 X^3 0 X^3 X^3 X^3 0 0 X^3 0 X^3 0 X^3 X^3 0 0 0 0 0 X^3 0 X^3 0 X^3 X^3 X^3 X^3 0 0 X^3 0 X^3 X^3 0 X^3 0 X^3 0 0 X^3 X^3 0 0 0 X^3 X^3 0 0 0 X^3 X^3 0 X^3 X^3 X^3 X^3 0 X^3 0 X^3 0 0 X^3 0 X^3 0 X^3 X^3 0 X^3 0 X^3 0 0 0 0 X^3 0 X^3 X^3 generates a code of length 83 over Z2[X]/(X^4) who´s minimum homogenous weight is 78. Homogenous weight enumerator: w(x)=1x^0+107x^78+720x^79+1075x^80+1200x^81+999x^82+880x^83+879x^84+748x^85+481x^86+324x^87+309x^88+220x^89+69x^90+84x^91+36x^92+40x^93+8x^94+8x^95+1x^100+3x^104 The gray image is a linear code over GF(2) with n=664, k=13 and d=312. This code was found by Heurico 1.16 in 5.42 seconds.