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 2 2 2 2 4 4 2 2 8 2 1 4 2 2 2 2 0 2 2 2 1 1 1 1 2 1 1 2 4 2 2 1 0 12 0 0 0 0 0 0 0 0 0 8 8 4 4 4 4 4 12 4 0 12 4 12 0 8 12 4 4 4 12 0 12 12 12 12 8 4 0 8 12 4 0 12 4 4 4 4 12 8 8 4 8 12 12 4 0 0 8 8 4 12 8 0 8 8 0 4 0 12 0 8 12 0 8 12 4 0 4 12 0 0 12 0 0 0 0 0 0 0 4 4 4 0 12 4 12 8 8 4 4 0 8 4 4 4 12 8 4 12 0 4 12 8 4 8 12 0 8 8 12 12 4 0 4 0 8 4 4 8 4 8 4 12 12 12 4 8 0 8 8 12 0 8 4 4 12 0 8 8 4 4 8 0 0 12 8 0 8 0 0 0 0 12 0 0 0 4 12 12 4 4 0 8 0 0 12 12 12 12 12 8 8 0 8 8 12 4 0 4 12 12 4 4 0 0 4 12 8 4 12 8 4 8 4 0 12 0 4 4 12 4 4 8 12 8 8 0 12 8 8 4 4 12 8 0 8 12 12 12 4 12 12 8 0 12 8 8 8 0 0 0 0 0 12 0 4 4 4 0 8 0 8 8 12 4 4 0 4 8 4 4 4 8 4 4 12 4 8 0 8 12 4 8 12 12 4 0 12 4 12 8 12 8 0 0 4 12 8 4 8 8 0 4 4 0 8 4 12 12 12 12 12 12 8 0 12 12 0 4 4 4 4 4 0 4 8 4 8 4 0 0 0 0 0 12 4 8 4 4 0 4 4 4 12 8 8 8 4 4 12 12 0 12 4 8 12 0 0 8 12 0 4 0 4 4 4 12 0 4 0 4 4 0 8 12 4 0 8 8 12 8 12 8 4 0 4 8 8 12 0 0 4 8 8 12 0 0 12 8 0 0 12 12 0 12 4 8 4 4 0 0 0 0 0 0 8 8 0 8 8 0 8 8 8 0 8 8 8 8 8 0 8 0 0 8 0 0 8 0 0 0 8 0 0 8 0 8 8 8 0 8 8 8 8 0 0 8 0 8 8 8 0 8 0 8 8 8 0 0 8 8 8 8 0 0 8 0 0 0 8 0 8 0 8 0 0 0 0 0 generates a code of length 80 over Z16 who´s minimum homogenous weight is 68. Homogenous weight enumerator: w(x)=1x^0+121x^68+494x^70+28x^71+723x^72+112x^73+1034x^74+384x^75+1580x^76+1460x^77+3706x^78+4152x^79+5350x^80+4188x^81+3620x^82+1448x^83+1649x^84+364x^85+874x^86+124x^87+608x^88+20x^89+374x^90+8x^91+232x^92+70x^94+36x^96+4x^98+2x^100+1x^104+1x^112 The gray image is a code over GF(2) with n=640, k=15 and d=272. This code was found by Heurico 1.16 in 37.2 seconds.