The generator matrix 1 0 0 0 1 1 1 0 1 1 1 1 X X X 1 0 X 0 1 0 1 1 1 X 0 0 1 1 X 1 1 1 1 0 1 1 0 1 1 0 1 1 X 0 1 0 X 0 0 1 1 1 X 1 1 1 X 0 0 1 1 X 1 0 0 X X X 1 0 0 1 0 0 0 1 1 1 0 X X+1 X+1 1 1 X 0 0 0 1 X 1 X+1 1 1 0 0 1 0 X 1 X+1 X X 1 1 X 0 X 0 X 1 0 X+1 0 X X+1 1 1 0 1 1 X+1 X 1 1 X X+1 1 1 X X X 0 X 1 1 1 0 1 X+1 0 0 0 1 0 1 1 0 1 0 1 1 X 0 1 1 X 1 X X 1 1 X+1 0 1 1 1 0 0 1 X+1 X 0 0 1 X X+1 1 1 0 0 X X+1 X 1 0 1 X X+1 1 1 X 0 0 X+1 1 1 0 X+1 1 0 X 0 X X+1 0 X+1 0 1 X+1 0 X 0 0 0 1 1 0 1 1 1 0 X+1 X 1 X 1 X+1 0 1 0 X+1 0 0 1 X+1 0 X 1 X 0 X+1 X 1 0 0 1 0 X X+1 X X X X X 1 1 1 0 0 1 X+1 1 X+1 1 0 X+1 X X 1 1 1 0 X 1 X X X+1 X+1 0 1 X+1 1 0 0 0 0 X 0 0 0 0 0 0 0 0 0 0 0 0 0 X X X X X X X X 0 0 X 0 X X 0 0 X 0 0 X X X X X X 0 X X 0 X X 0 X X 0 X 0 X X X 0 X X X X X 0 X X 0 0 0 0 0 0 0 0 0 X 0 0 0 0 0 0 X 0 X X X X X X X 0 0 0 X 0 0 X X X 0 0 0 X 0 X X X 0 X X X X 0 X X X X X X 0 X X X X X X 0 X X X 0 X X 0 X 0 0 0 0 X 0 0 0 0 0 0 X 0 0 0 0 0 0 X 0 X X X 0 X X 0 0 X 0 X X 0 0 X 0 0 0 X X 0 0 0 X 0 0 X 0 X X 0 X X X 0 0 0 X X 0 X X X X X X 0 0 0 0 X X 0 X X 0 0 0 0 0 0 0 0 X 0 0 X 0 X X 0 X X 0 0 X X X X 0 0 X X 0 X X X X X X 0 X 0 0 X 0 X 0 X 0 X 0 X 0 X 0 0 0 X X X 0 X 0 0 0 0 0 X X X 0 X 0 0 X 0 0 0 0 0 0 0 0 0 X X X X X X X X 0 0 0 0 X 0 0 X 0 0 X 0 X 0 X X 0 0 X X X X 0 0 0 X X 0 0 0 X 0 0 X X X 0 0 X 0 X X 0 X X 0 X 0 X X X X 0 0 0 generates a code of length 71 over Z2[X]/(X^2) who´s minimum homogenous weight is 60. Homogenous weight enumerator: w(x)=1x^0+296x^60+442x^62+751x^64+748x^66+1031x^68+800x^70+1000x^72+888x^74+933x^76+506x^78+475x^80+172x^82+89x^84+28x^86+27x^88+3x^92+1x^96+1x^104 The gray image is a linear code over GF(2) with n=142, k=13 and d=60. This code was found by Heurico 1.16 in 64.6 seconds.