The generator matrix 1 0 1 1 1 X^2+X 1 1 X^3+X^2 1 X^3+X 1 1 1 0 1 1 X^2+X 1 1 X^3+X^2 1 1 X^3+X 1 1 X^3+X 1 1 X^3+X^2 1 1 0 1 1 0 X^2+X 1 1 1 1 1 1 1 1 X^3 X^2+X X 1 1 X^3+X 1 1 X^3+X^2 0 1 1 X 1 1 1 1 X^2 1 1 0 1 X+1 X^2+X X^2+1 1 X^3+X^2 X^3+X^2+X+1 1 X^3+X 1 X^3+1 0 X+1 1 X^2+X X^2+1 1 X^3+X X^3+1 1 X^3+X^2 X^3+X^2+X+1 1 X^2+X X^2+1 1 0 X+1 1 X^3+X^2 X^3+1 1 X^3+X^2+X+1 X^3+X 1 1 X^2+X X^2+1 X^2 X^3+X^2+X X^3+X^2 X^3+X^2+1 X^3+X^2+X+1 X^3+X 1 1 X^2+X X^3+X X^3+X^2+X+1 1 X^3+X^2 X^3+1 X 1 X^2 X+1 1 X^3+X+1 X^3+X+1 X^2+1 X^3+1 0 X X^2+X 0 0 X^3 0 0 0 0 0 X^3 X^3 0 0 X^3 X^3 X^3 0 0 X^3 X^3 X^3 0 0 X^3 0 X^3 0 X^3 X^3 X^3 0 0 X^3 0 0 X^3 0 X^3 0 X^3 0 0 X^3 X^3 X^3 0 X^3 0 0 X^3 0 X^3 0 X^3 X^3 0 X^3 0 X^3 0 X^3 X^3 X^3 X^3 X^3 X^3 0 0 0 X^3 0 0 0 0 X^3 X^3 X^3 X^3 0 X^3 0 X^3 0 X^3 0 X^3 X^3 0 0 0 X^3 X^3 0 0 X^3 0 X^3 X^3 0 X^3 0 X^3 X^3 0 0 X^3 0 X^3 0 0 X^3 0 X^3 0 X^3 0 0 0 X^3 0 X^3 X^3 0 X^3 X^3 X^3 0 0 0 X^3 0 0 0 0 0 X^3 0 0 X^3 0 0 0 X^3 X^3 X^3 X^3 X^3 0 X^3 0 0 X^3 X^3 X^3 X^3 X^3 0 0 0 0 0 0 X^3 X^3 X^3 X^3 0 0 0 0 X^3 X^3 0 X^3 X^3 0 0 X^3 X^3 0 0 X^3 X^3 X^3 X^3 0 0 X^3 0 0 0 X^3 X^3 0 X^3 X^3 0 0 0 0 0 X^3 X^3 X^3 X^3 0 X^3 0 0 0 X^3 0 0 X^3 0 0 X^3 0 0 X^3 0 0 X^3 0 0 X^3 0 0 X^3 0 0 X^3 X^3 0 0 X^3 0 0 0 X^3 X^3 0 X^3 X^3 X^3 X^3 0 X^3 X^3 X^3 0 X^3 0 0 X^3 X^3 X^3 0 X^3 X^3 0 generates a code of length 65 over Z2[X]/(X^4) who´s minimum homogenous weight is 60. Homogenous weight enumerator: w(x)=1x^0+168x^60+192x^61+534x^62+368x^63+575x^64+416x^65+692x^66+384x^67+384x^68+160x^69+142x^70+16x^71+49x^72+8x^74+3x^76+2x^80+1x^88+1x^92 The gray image is a linear code over GF(2) with n=520, k=12 and d=240. This code was found by Heurico 1.16 in 1.25 seconds.