The generator matrix 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 X 1 1 1 1 1 1 1 1 1 1 1 1 X 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 X^2 1 X X^2 0 X^3+X^2 0 0 0 X^2 X^3+X^2 X^2 0 0 0 0 X^2 X^3+X^2 X^2 X^3+X^2 0 0 X^2 X^3+X^2 X^3 X^3 X^3 X^3+X^2 X^2 0 X^2 0 X^3+X^2 X^3 X^2 X^3 X^2 X^3+X^2 X^3 X^2 X^2 X^3+X^2 0 X^3 X^3 X^3 X^2 X^3+X^2 X^3 0 X^3+X^2 X^3 X^3 X^3+X^2 X^3 X^3+X^2 0 X^2 0 0 0 X^3+X^2 0 X^2 X^2 X^3+X^2 0 0 0 X^2 X^3+X^2 X^2 X^3+X^2 0 0 X^3 X^3 X^3+X^2 X^2 X^3+X^2 0 X^2 X^3 X^3 X^3 X^3+X^2 X^3 X^2 X^3+X^2 X^3 X^2 0 X^3 0 X^3 0 X^3+X^2 X^3+X^2 X^3+X^2 X^3 X^3 X^3+X^2 0 X^2 X^2 X^2 0 0 X^3 0 X^2 X^2 X^3 X^3+X^2 0 0 0 X^3+X^2 X^2 0 X^3+X^2 X^2 X^3 X^2 X^3+X^2 X^3 X^3 X^2 X^3+X^2 X^3 X^3 X^2 X^3 X^2 X^2 X^2 0 X^2 0 0 0 X^3+X^2 X^3+X^2 X^3+X^2 X^3+X^2 X^3 X^3 X^3+X^2 X^3+X^2 X^2 0 0 X^3+X^2 X^3 0 X^2 X^2 X^3+X^2 X^2 X^3 X^3 X^3 X^3+X^2 X^3 0 X^3+X^2 0 X^2 X^3 generates a code of length 55 over Z2[X]/(X^4) who´s minimum homogenous weight is 52. Homogenous weight enumerator: w(x)=1x^0+106x^52+80x^53+128x^54+352x^55+233x^56+80x^57+41x^60+2x^64+1x^100 The gray image is a linear code over GF(2) with n=440, k=10 and d=208. This code was found by Heurico 1.16 in 0.156 seconds.