The generator matrix 1 0 1 1 1 X^2+X 1 1 X^2 1 X 1 1 1 X^2 1 1 X^2+X 1 1 X^2+X 1 X 1 X^2 1 1 1 1 1 1 1 X 1 X^2+X X^2 1 1 1 1 0 X X 0 1 1 0 1 1 X X^2+X+1 1 X^2+X 1 X^2+X+1 X^2 X+1 1 0 1 1 X^2+X 1 1 X+1 1 X 1 0 X X^2+1 1 0 X^2+X X 1 0 1 1 X^2+1 X+1 X^2+X+1 X^2+X+1 X^2 X X^2 0 0 X 0 0 0 0 0 0 0 X^2 X^2+X 0 X^2 X 0 X^2+X X X^2+X X^2 X X^2+X X X X^2 X^2 X X X^2+X X X 0 X X^2 X 0 X^2 0 X^2+X X^2 X 0 X^2+X 0 0 0 X 0 0 X X^2 0 0 0 0 X^2 X 0 X X^2+X 0 X X^2+X X X^2 X^2+X X X X X^2 X^2+X X X^2 0 0 X X^2 0 X^2+X X^2 X^2 X^2+X X X^2 X^2+X X^2+X 0 0 0 0 X 0 0 X X^2+X X^2 X^2+X X^2 X^2+X X^2+X 0 X^2+X X^2 X X^2 X^2 X^2 X X^2+X X X^2 0 X^2+X 0 X X^2 X X 0 X X^2+X X^2 0 0 0 0 X X^2+X X^2+X 0 0 0 0 0 X^2 X^2 X^2 X^2 X^2 0 X^2 X^2 X^2 X^2 X^2 0 X^2 X^2 0 0 X^2 0 X^2 X^2 0 X^2 X^2 X^2 X^2 0 X^2 0 0 0 0 0 0 0 X^2 X^2 0 0 generates a code of length 43 over Z2[X]/(X^3) who´s minimum homogenous weight is 36. Homogenous weight enumerator: w(x)=1x^0+223x^36+68x^37+500x^38+448x^39+805x^40+608x^41+1090x^42+788x^43+1056x^44+708x^45+754x^46+360x^47+401x^48+88x^49+198x^50+4x^51+65x^52+18x^54+9x^56 The gray image is a linear code over GF(2) with n=172, k=13 and d=72. This code was found by Heurico 1.16 in 3.67 seconds.