The generator matrix 1 0 0 0 1 1 1 X 2 1 1 1 X+2 1 X+2 1 1 X 2 1 2 1 1 1 X+2 0 1 1 X 1 X 1 2 X 2 0 2 1 1 1 1 0 1 X X+2 1 1 1 1 1 1 X X X X+2 X 1 2 0 1 1 1 1 1 2 1 1 X X+2 0 0 2 2 1 1 1 X+2 1 0 1 0 1 0 0 X 2 X+2 0 1 3 1 X+3 1 X+1 1 0 X 1 X X+3 1 1 X+2 3 X 0 X+1 X X X+1 1 X+2 1 2 0 1 1 2 X 0 X+2 1 X+1 X 1 X+2 3 3 X 2 X+2 1 1 1 0 1 2 X+2 X+2 3 1 0 1 0 2 X+1 X 1 1 1 1 2 1 1 0 X 1 2 2 0 0 0 1 0 X 3 1 1 1 X+2 3 1 3 0 X X 2 X+3 1 3 X X X+1 X+2 1 X+2 X+1 1 X 0 X X+1 X+1 1 1 X+1 2 X+3 0 3 0 1 2 1 2 X+3 0 X+3 X+1 2 X X+2 X+1 X+3 0 X 0 2 1 2 0 X 0 X 1 3 X+2 X+3 1 2 1 1 X X+1 X+1 3 3 0 1 0 0 0 0 1 X+1 1 X 3 X+1 X+2 X+3 0 0 3 1 X+2 X+3 X 2 X+2 3 2 0 1 X+3 1 X+3 X+1 1 X+3 0 3 X 0 1 X+3 X+2 X+2 2 X+3 2 X+1 2 3 1 X 3 X+3 X+2 X 3 X+2 X+3 0 1 X+1 X+1 1 X+3 0 X+3 2 3 2 0 X+2 3 2 3 3 X 0 2 X+2 X+1 3 3 1 1 0 0 0 0 0 2 0 2 0 0 2 2 2 0 2 0 2 0 2 2 0 2 0 0 0 2 2 0 0 0 2 2 2 0 2 0 2 0 0 2 0 0 2 0 2 0 0 2 2 2 2 0 0 0 0 2 2 2 2 0 2 0 2 0 0 0 2 2 2 2 0 0 2 0 0 2 0 0 2 0 0 generates a code of length 80 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 72. Homogenous weight enumerator: w(x)=1x^0+65x^72+298x^73+413x^74+584x^75+662x^76+710x^77+724x^78+610x^79+710x^80+576x^81+517x^82+454x^83+416x^84+418x^85+282x^86+260x^87+192x^88+106x^89+72x^90+56x^91+32x^92+20x^93+8x^94+2x^95+2x^96+2x^99 The gray image is a code over GF(2) with n=320, k=13 and d=144. This code was found by Heurico 1.13 in 1.67 seconds.