The generator matrix 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 X X X X 1 X X 1 X 1 2 X X 1 1 X X X 1 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 2 0 0 2 2 2 0 2 2 2 0 2 0 2 2 0 2 2 0 2 0 2 0 0 2 2 2 2 0 2 0 2 2 0 0 2 0 0 0 0 0 0 0 0 0 2 0 0 2 2 2 2 2 2 0 0 0 0 0 2 2 2 2 2 0 2 0 2 2 0 0 2 0 2 0 2 2 2 2 0 0 2 2 2 2 0 0 0 0 2 0 0 0 0 0 0 0 0 2 2 2 2 2 0 2 2 2 0 2 2 2 0 2 0 0 2 2 2 0 2 0 0 2 0 2 0 2 0 0 0 0 2 2 0 0 2 0 0 2 0 0 0 0 2 0 0 0 0 0 0 2 0 2 2 0 2 2 2 0 2 2 2 0 0 0 0 0 2 0 0 0 2 2 2 0 2 2 2 2 2 0 0 0 2 2 2 0 2 0 2 0 2 0 0 0 0 0 2 0 0 0 0 0 2 0 0 2 2 2 2 2 0 0 2 0 0 2 2 0 0 0 2 2 0 0 2 0 2 2 2 0 2 0 2 0 0 0 0 0 2 2 0 0 2 0 0 0 0 0 0 0 2 0 0 0 2 0 0 0 2 2 0 0 2 0 0 2 2 0 2 0 2 0 2 0 2 0 2 2 2 2 0 0 0 2 2 2 2 2 0 2 2 0 2 2 2 0 2 0 0 0 0 0 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 2 2 0 0 2 2 2 0 0 2 2 2 2 2 0 2 0 0 0 0 2 2 0 2 2 2 0 0 0 0 0 2 0 0 0 0 0 0 0 0 2 0 2 2 2 2 0 0 0 0 2 0 0 0 2 2 2 2 0 0 0 2 0 2 0 0 0 2 2 0 2 2 0 0 2 0 2 0 2 0 0 2 0 2 0 0 0 0 0 0 0 0 0 0 2 2 2 2 0 0 2 2 2 2 2 0 2 0 2 0 2 0 2 2 0 0 2 2 0 0 0 0 2 0 0 2 2 0 2 2 2 0 2 2 0 0 0 0 generates a code of length 53 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 42. Homogenous weight enumerator: w(x)=1x^0+53x^42+108x^44+150x^46+186x^48+236x^50+1334x^52+1325x^54+247x^56+175x^58+112x^60+72x^62+44x^64+30x^66+14x^68+5x^70+1x^72+2x^74+1x^80 The gray image is a code over GF(2) with n=212, k=12 and d=84. This code was found by Heurico 1.16 in 1.6 seconds.