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 X X X X X X X X 1 1 X 2 1 X 1 1 X 1 1 1 2 X 2 X X 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 0 2 0 2 0 0 2 0 2 0 2 0 0 0 2 0 2 2 0 0 2 2 0 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 0 0 0 2 2 2 0 0 0 2 0 2 0 0 2 2 2 2 0 2 2 2 2 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 2 2 2 2 2 0 0 0 0 2 2 0 2 2 2 0 2 2 2 2 0 2 0 2 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 0 0 2 2 2 2 0 0 0 0 0 2 2 2 2 2 0 0 0 2 2 0 0 0 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 0 2 2 2 0 0 2 0 2 2 0 0 0 2 2 2 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 0 2 0 2 2 2 0 0 2 0 2 0 2 2 0 0 2 0 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 0 2 2 2 2 2 0 2 0 2 0 0 0 0 0 2 2 0 0 0 2 2 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 2 2 2 2 2 0 2 2 0 0 2 0 2 2 0 0 0 2 0 2 0 0 2 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 2 2 2 2 2 2 2 2 0 2 2 2 0 2 0 0 2 0 2 2 2 2 2 2 generates a code of length 57 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 46. Homogenous weight enumerator: w(x)=1x^0+64x^46+142x^48+144x^50+157x^52+491x^54+1097x^56+1056x^58+441x^60+179x^62+140x^64+72x^66+39x^68+33x^70+27x^72+8x^74+3x^76+1x^78+1x^80 The gray image is a code over GF(2) with n=228, k=12 and d=92. This code was found by Heurico 1.16 in 28.9 seconds.