The generator matrix 1 0 1 1 1 X^2 X 1 1 1 X^2+X 1 1 1 X^2 1 1 X^2 1 1 X^2+X 1 1 X^2+X 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 0 1 0 1 X^2 0 1 1 X 1 1 X X^2 X 0 0 X 0 1 1 X^2+X X^2+X+1 1 1 X+1 X X^2+1 1 X X X+1 1 X^2 X+1 1 0 1 1 0 1 1 0 X^2+X X^2 X 0 X^2+X 0 X^2+X 0 X^2+X X^2 X X+1 1 X^2+1 1 X^2+X X X^2+X 1 1 X+1 1 X^2 X^2+X X X^2+X 0 1 1 1 1 0 0 X 0 X^2+X X X X^2 X X^2 0 X^2+X 0 X^2 X^2+X X X 0 0 X^2+X 0 X^2+X X^2 X^2+X 0 X^2 X X 0 X^2 X X X^2 0 X^2+X X^2+X 0 X^2 X^2 0 X^2+X X^2+X X^2+X X X X X^2+X X^2 X^2 0 X^2 X X^2 X 0 X 0 0 0 X^2 0 X^2 X^2 X^2 0 X^2 0 0 X^2 0 0 X^2 X^2 X^2 0 X^2 X^2 X^2 0 0 X^2 0 0 X^2 X^2 0 0 X^2 X^2 0 0 X^2 0 X^2 X^2 0 0 0 X^2 0 X^2 X^2 0 0 X^2 X^2 X^2 0 X^2 0 X^2 0 0 0 0 0 X^2 X^2 0 0 X^2 X^2 X^2 0 X^2 X^2 X^2 X^2 0 0 X^2 X^2 X^2 0 0 0 X^2 X^2 0 X^2 0 0 X^2 0 0 0 X^2 0 0 X^2 0 X^2 0 0 X^2 0 0 X^2 X^2 X^2 0 0 X^2 X^2 0 0 X^2 0 generates a code of length 56 over Z2[X]/(X^3) who´s minimum homogenous weight is 52. Homogenous weight enumerator: w(x)=1x^0+212x^52+244x^54+200x^56+168x^58+138x^60+32x^62+18x^64+2x^68+4x^70+4x^72+1x^80 The gray image is a linear code over GF(2) with n=224, k=10 and d=104. This code was found by Heurico 1.16 in 0.165 seconds.