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 2 1 2 1 1 1 2 1 1 1 1 1 1 1 1 2 1 1 1 1 2 1 1 1 2 1 4 2 1 1 1 2 1 4 1 1 1 1 1 0 2 2 1 4 8 1 2 4 1 1 1 0 12 0 4 0 0 4 12 0 8 4 4 0 4 4 8 0 8 12 12 4 4 8 0 4 8 12 0 8 0 4 12 4 0 12 4 0 8 0 4 4 4 8 8 12 8 12 4 12 0 8 12 4 12 0 4 4 4 12 4 0 8 12 4 8 0 4 4 4 4 12 12 4 4 8 12 4 8 12 0 0 0 12 4 0 12 4 0 8 4 0 4 0 12 0 4 8 4 4 0 0 4 8 12 12 12 8 0 8 12 4 8 12 0 8 12 8 12 12 0 8 4 0 0 8 4 12 4 4 12 12 8 8 8 4 12 4 12 12 0 12 4 0 8 12 12 0 0 8 8 0 0 4 4 0 4 12 4 4 8 0 0 0 8 0 0 0 0 8 8 8 0 8 8 0 0 8 0 0 8 0 8 0 8 8 8 8 8 0 0 8 0 0 0 0 8 8 8 0 0 0 8 8 8 8 8 0 8 8 0 8 0 8 0 0 8 0 0 8 8 0 0 8 8 8 0 8 0 8 0 0 0 8 0 0 0 0 0 8 8 0 0 0 0 8 0 0 0 0 0 0 0 8 0 0 0 8 8 8 8 8 0 0 8 8 8 0 8 0 8 0 8 8 8 0 8 0 0 0 8 8 8 8 0 0 0 8 0 0 8 8 8 0 0 8 8 0 0 8 0 0 8 0 0 0 0 8 0 8 8 8 0 0 0 8 8 8 0 0 0 0 0 0 0 0 8 0 0 0 8 0 8 8 8 8 8 8 8 8 8 0 0 8 0 0 0 0 0 8 8 0 0 0 8 8 0 8 8 0 0 8 0 8 0 0 8 8 8 0 8 8 8 0 0 0 8 0 0 0 0 0 0 8 8 8 8 0 8 8 0 8 0 0 0 0 8 8 0 0 0 0 0 0 0 0 0 8 0 8 8 8 8 8 0 0 0 8 0 8 8 0 0 0 8 0 8 8 8 0 0 8 0 0 8 8 0 0 0 8 8 8 8 0 0 0 8 8 8 8 8 0 0 0 8 0 8 8 0 8 0 8 0 8 8 0 8 0 0 8 8 8 8 0 0 0 0 8 8 0 8 0 0 0 0 0 0 0 8 0 0 8 8 0 0 0 8 8 0 8 8 0 8 0 8 0 0 0 0 8 8 8 8 0 8 8 8 0 8 8 0 0 8 8 0 8 8 0 0 0 0 0 8 0 8 0 0 8 8 0 8 0 8 0 0 0 8 0 8 8 8 0 0 0 0 8 8 8 0 0 8 generates a code of length 80 over Z16 who´s minimum homogenous weight is 70. Homogenous weight enumerator: w(x)=1x^0+25x^70+52x^71+127x^72+126x^73+222x^74+104x^75+412x^76+162x^77+1635x^78+58x^79+2461x^80+172x^81+1486x^82+80x^83+497x^84+116x^85+136x^86+56x^87+49x^88+54x^89+58x^90+24x^91+26x^92+10x^93+18x^94+10x^95+10x^96+2x^98+1x^100+1x^102+1x^126 The gray image is a code over GF(2) with n=640, k=13 and d=280. This code was found by Heurico 1.16 in 2.75 seconds.