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 2 1 1 2 1 1 1 1 1 1 1 2 1 1 2 1 1 1 1 1 2 4 4 1 1 8 1 1 2 4 1 2 1 0 0 1 1 1 0 1 4 8 1 1 1 1 0 12 0 0 0 4 12 4 8 0 4 12 0 0 4 12 8 8 8 8 4 4 4 8 4 0 4 12 0 4 12 8 0 0 4 0 12 12 8 0 4 0 12 4 4 8 4 8 8 12 8 4 12 12 4 4 8 4 0 0 8 0 4 4 8 4 0 8 0 0 4 0 4 8 4 4 0 8 0 4 0 0 12 0 4 4 12 0 0 4 8 4 0 4 8 4 0 8 4 4 12 0 4 12 0 8 0 0 12 12 12 8 8 4 12 4 12 12 8 4 8 4 4 0 0 4 12 8 8 12 12 4 4 0 0 4 12 8 12 4 0 8 8 8 12 12 0 4 4 4 12 12 8 8 12 0 4 12 8 0 0 0 0 12 4 0 12 4 4 8 0 4 0 12 4 8 4 0 0 12 4 4 8 4 8 12 4 8 8 12 0 4 0 0 8 0 4 4 0 12 12 4 0 8 4 8 4 12 12 0 4 8 12 0 12 8 4 12 8 12 12 12 8 4 4 8 8 8 8 12 4 12 8 4 4 4 0 0 0 12 0 0 0 0 8 0 0 8 0 8 8 0 0 0 0 0 8 0 8 0 8 0 8 8 8 8 8 0 8 8 8 8 8 0 8 0 8 0 8 8 0 8 0 0 0 8 8 0 0 0 0 8 0 8 8 0 8 8 8 0 0 0 0 8 0 8 0 0 8 0 0 0 8 8 8 8 8 0 8 8 0 0 0 0 0 8 0 8 8 8 0 8 0 8 8 0 0 8 0 0 0 0 8 8 8 8 0 8 0 8 0 8 0 8 0 0 0 0 8 8 8 0 8 8 0 0 8 0 8 0 8 0 8 8 8 8 0 0 8 0 8 8 8 8 0 0 8 8 0 8 0 0 0 8 8 0 0 0 0 0 0 0 0 0 0 0 8 0 8 8 8 8 8 0 0 8 0 8 8 8 8 0 0 8 0 8 0 8 0 8 8 0 0 0 0 8 0 0 0 0 8 8 8 0 8 8 0 8 0 0 8 0 0 8 8 8 0 8 0 0 0 8 0 0 0 8 0 0 0 8 0 8 0 8 8 0 8 8 8 0 generates a code of length 80 over Z16 who´s minimum homogenous weight is 71. Homogenous weight enumerator: w(x)=1x^0+92x^71+103x^72+126x^73+116x^74+298x^75+325x^76+784x^77+613x^78+1300x^79+872x^80+1322x^81+578x^82+716x^83+246x^84+230x^85+70x^86+120x^87+69x^88+68x^89+24x^90+34x^91+35x^92+26x^93+5x^94+10x^96+4x^97+2x^98+2x^100+1x^128 The gray image is a code over GF(2) with n=640, k=13 and d=284. This code was found by Heurico 1.16 in 23.6 seconds.