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 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 X 1 1 1 0 1 1 1 1 X 1 0 1 X 1 X 1 1 1 1 1 X 1 0 X 0 X+2 0 X+2 0 X+2 2 X+2 0 X+2 X 0 2 X+2 2 X+2 2 X 0 0 X+2 X 0 2 0 2 X+2 X+2 X X 0 0 0 2 X+2 X+2 X+2 X 0 2 X X+2 2 X+2 X 0 X+2 2 0 X+2 X X+2 0 2 X+2 X+2 0 X 0 X+2 2 2 0 2 2 0 0 0 X 0 0 2 0 0 0 0 0 2 0 0 2 2 2 2 0 2 2 0 2 0 2 0 0 0 2 2 0 0 0 0 0 0 0 0 2 0 2 2 0 2 2 2 2 2 0 0 2 0 0 2 0 0 2 2 0 0 2 0 2 0 0 2 2 0 0 0 2 2 2 2 0 0 0 2 0 0 0 0 0 0 2 2 0 2 0 2 0 2 0 0 0 0 2 2 0 2 0 2 0 2 2 0 0 2 0 2 0 2 2 2 2 0 0 0 2 2 0 2 0 2 0 2 0 2 2 2 2 2 0 0 2 2 0 2 2 2 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 2 0 0 0 2 0 2 0 2 0 0 2 2 2 2 2 0 0 0 2 2 0 0 0 0 2 2 0 2 0 2 2 2 0 2 0 2 2 2 0 2 2 0 2 0 0 0 0 2 0 2 0 2 2 2 2 2 0 0 2 0 0 0 0 0 0 2 0 0 0 2 0 0 2 0 0 2 0 2 0 0 0 0 0 2 2 2 2 2 0 0 2 2 0 0 2 2 2 2 2 0 2 2 0 2 0 0 0 0 2 2 2 0 0 0 2 0 2 2 2 0 0 0 0 2 2 0 2 0 0 2 2 0 0 0 0 0 0 2 0 2 0 2 0 0 0 2 0 0 0 2 0 2 0 2 2 0 2 2 0 2 0 0 2 0 2 2 0 0 0 2 2 0 2 2 0 2 2 0 2 0 0 2 2 0 0 2 0 2 2 2 0 0 2 2 2 0 2 0 0 2 0 2 0 0 0 0 0 0 0 2 0 2 2 2 2 2 0 2 0 0 0 0 2 2 0 2 0 0 0 0 2 2 0 0 2 2 0 0 2 2 0 0 2 0 0 0 2 2 2 0 2 2 2 2 2 0 0 0 2 0 2 0 2 0 2 0 2 0 2 2 0 0 0 generates a code of length 71 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 63. Homogenous weight enumerator: w(x)=1x^0+98x^63+52x^64+84x^66+116x^67+104x^68+128x^69+252x^70+344x^71+314x^72+128x^73+156x^74+124x^75+8x^76+4x^78+70x^79+26x^80+16x^82+16x^83+6x^88+1x^128 The gray image is a code over GF(2) with n=284, k=11 and d=126. This code was found by Heurico 1.16 in 14.5 seconds.