The generator matrix 1 0 0 0 0 0 1 1 1 1 0 0 X 1 1 1 1 0 1 1 1 X 1 0 X 0 X 1 X 0 X 1 1 X 1 1 1 X 0 1 X 0 1 1 1 1 0 1 X 1 1 1 1 0 1 1 0 1 0 1 1 0 1 0 0 0 0 X X 1 1 1 1 X X+1 X+1 X X+1 X 0 1 X+1 1 1 1 X 0 1 X 1 0 0 0 X 1 0 1 X+1 1 X X+1 0 1 0 0 0 X 1 X+1 0 0 1 X X 1 X+1 0 1 1 0 X 0 0 0 1 0 0 0 0 0 0 0 0 X X X 0 0 0 0 X X X 0 X X 0 0 0 X X+1 1 1 X+1 1 1 1 X+1 1 X+1 1 1 1 1 1 X+1 X+1 X 0 X+1 0 X+1 X+1 1 X 1 X X X 0 1 1 1 0 0 0 1 0 0 0 0 0 X X X X 0 0 X+1 1 1 1 1 X+1 X+1 X+1 1 1 1 X 1 1 X X+1 X+1 X X 1 1 0 X+1 X X X+1 0 1 1 0 0 X+1 X 0 1 0 0 0 1 1 X 0 X X 0 0 0 0 0 0 1 0 0 X+1 X X+1 X 1 1 X+1 X 1 0 X+1 X 1 X 1 1 0 0 1 X+1 X+1 1 X+1 X+1 0 X 1 1 X+1 1 X 1 X+1 X X+1 X+1 0 X+1 1 X 0 X X 0 X X 0 0 0 1 X 1 X+1 X 0 0 0 0 0 1 1 X+1 1 0 1 1 X+1 1 X X X 0 X X+1 X+1 0 0 0 X+1 1 X 1 1 X 1 1 X X X X X 1 X+1 0 X+1 1 X+1 1 X+1 0 0 0 1 0 X+1 0 X 1 0 0 X 0 0 X+1 X+1 generates a code of length 61 over Z2[X]/(X^2) who´s minimum homogenous weight is 52. Homogenous weight enumerator: w(x)=1x^0+197x^52+434x^54+499x^56+510x^58+516x^60+436x^62+470x^64+384x^66+306x^68+216x^70+76x^72+30x^74+13x^76+6x^78+2x^80 The gray image is a linear code over GF(2) with n=122, k=12 and d=52. This code was found by Heurico 1.16 in 2.92 seconds.