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 0 X 2 X 2 1 X 0 X X 1 1 2 1 X 1 1 0 0 1 0 1 1 X 1 1 1 X X 1 1 0 1 1 1 1 0 2 1 0 X 0 X 0 0 X X+2 0 2 X 0 X+2 2 X+2 X X+2 0 X 0 X 2 0 X X 0 X+2 X X X 0 X+2 2 X X X X X+2 X+2 X 2 0 0 0 X 2 X 0 X X 0 2 X 0 2 X+2 X 0 2 X 0 0 2 2 2 X 2 2 X X 2 0 0 X X 0 X+2 X 0 0 X X 2 2 X+2 X 2 0 0 X 0 X X X+2 0 X+2 X+2 X 2 X+2 X X+2 2 X X X X+2 X 2 0 2 X X+2 X 2 X X X+2 X+2 0 0 X X X+2 2 X+2 2 0 2 0 X+2 X X+2 X X X+2 X+2 X X 0 X X 0 0 0 2 0 0 0 0 0 0 0 0 0 0 2 0 0 0 2 0 2 2 2 0 0 2 2 0 0 0 2 2 2 0 2 2 0 2 2 2 0 2 2 2 2 2 0 2 2 2 2 0 0 2 2 2 0 2 2 0 0 0 2 0 2 2 0 2 0 0 0 0 0 0 0 2 0 0 0 0 0 0 2 0 0 0 0 2 2 0 2 0 2 2 2 2 2 2 0 0 0 2 0 2 2 0 2 2 0 0 0 2 2 2 0 0 0 0 2 0 2 2 2 0 2 0 2 2 0 2 2 0 2 0 2 0 0 2 0 0 2 0 0 0 0 0 0 2 0 0 0 2 0 0 0 0 0 0 2 0 0 0 0 2 2 2 0 2 0 2 0 2 0 0 0 2 2 2 2 2 0 2 2 2 2 2 2 0 2 0 2 0 0 0 0 0 2 2 2 2 2 0 0 2 0 0 0 0 2 0 2 0 0 0 0 0 0 0 0 2 0 0 0 2 0 0 0 0 0 2 2 2 2 2 2 0 0 0 0 0 2 0 2 2 0 2 0 0 2 2 2 2 0 0 2 0 2 2 0 2 2 0 2 0 0 2 2 2 2 2 2 2 2 2 2 2 2 0 2 2 2 0 2 0 0 0 0 0 0 0 0 2 0 2 2 2 2 0 0 0 2 0 0 2 2 0 2 0 2 2 2 2 0 0 2 2 0 2 2 2 0 0 0 2 2 0 0 0 2 2 2 0 0 2 2 0 2 2 2 2 2 2 2 0 2 2 2 2 0 2 0 0 0 2 2 0 0 0 0 0 0 0 0 2 0 0 0 2 2 2 2 2 0 2 2 0 0 0 2 2 2 2 2 0 2 2 0 2 2 2 2 0 2 2 2 2 2 2 0 2 2 2 2 0 0 0 2 0 0 0 0 0 0 0 2 0 2 0 2 0 2 0 0 0 0 2 generates a code of length 71 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 60. Homogenous weight enumerator: w(x)=1x^0+88x^60+48x^61+114x^62+158x^63+270x^64+304x^65+366x^66+480x^67+586x^68+636x^69+676x^70+836x^71+684x^72+696x^73+557x^74+440x^75+273x^76+304x^77+232x^78+110x^79+95x^80+56x^81+80x^82+24x^83+28x^84+4x^85+17x^86+22x^88+5x^90+1x^92+1x^102 The gray image is a code over GF(2) with n=284, k=13 and d=120. This code was found by Heurico 1.16 in 6.97 seconds.