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 2 2 1 1 2 2 1 1 1 1 2 1 1 1 1 1 2 4 1 2 2 4 1 2 2 1 1 4 1 2 2 1 1 8 1 1 2 4 0 1 1 1 1 2 0 12 0 0 0 4 12 4 0 8 4 12 0 8 12 0 4 4 8 4 12 12 8 4 12 12 8 0 12 0 0 12 12 0 12 8 8 0 8 4 12 12 0 12 8 8 0 8 8 8 4 12 12 0 12 12 0 12 4 4 0 4 0 12 4 0 0 0 8 4 12 8 4 4 0 12 4 8 4 4 0 0 12 0 4 4 12 0 0 0 4 8 4 4 0 8 4 4 12 8 12 0 8 4 4 0 12 8 0 12 12 0 0 8 4 12 4 0 0 8 0 8 0 12 12 0 12 4 8 12 8 8 4 0 0 8 0 0 12 4 12 8 12 4 12 12 4 12 12 0 4 8 4 4 4 8 8 4 0 0 0 0 0 12 4 0 12 4 0 4 12 8 12 0 4 8 8 8 4 0 4 4 12 0 4 4 8 4 8 8 12 8 4 4 0 4 0 12 0 0 0 8 4 4 0 0 8 8 12 8 4 4 12 12 4 0 4 8 12 0 8 0 8 12 12 8 4 8 4 12 12 8 4 0 0 8 8 4 0 4 0 0 0 0 8 0 0 0 8 0 8 8 0 0 0 0 8 8 8 0 8 8 0 8 0 0 0 8 0 8 8 8 0 8 8 0 0 0 8 8 0 0 0 0 0 8 0 8 8 0 0 8 8 0 8 8 8 8 0 0 0 0 0 8 8 8 8 0 0 8 0 0 0 8 8 8 8 0 0 0 0 0 0 0 0 8 0 0 8 8 8 0 8 0 8 8 0 8 8 0 8 8 0 0 8 0 8 8 8 0 8 8 0 8 8 8 0 0 0 0 8 8 0 8 8 8 8 8 8 8 8 8 8 8 8 0 0 0 0 8 0 0 0 8 0 0 8 8 8 0 8 0 0 8 0 8 0 0 8 0 0 0 0 0 0 0 8 0 0 0 0 0 0 8 8 8 0 0 8 8 8 8 0 8 0 8 0 8 0 0 0 8 0 0 8 0 8 8 0 8 8 0 8 0 8 8 8 0 0 8 0 8 8 0 0 0 8 8 0 8 8 8 0 0 8 0 8 0 8 8 8 8 0 8 0 0 0 8 8 0 0 0 0 0 0 0 0 8 8 8 0 8 0 0 0 0 0 8 0 8 8 0 8 8 0 0 0 0 0 0 0 8 0 8 0 8 8 8 8 8 8 8 0 8 0 0 8 0 0 8 0 8 8 8 8 0 0 8 0 0 8 0 8 8 0 8 8 8 8 8 8 8 0 8 0 0 8 0 0 8 generates a code of length 80 over Z16 who´s minimum homogenous weight is 69. Homogenous weight enumerator: w(x)=1x^0+54x^69+86x^70+158x^71+246x^72+228x^73+305x^74+426x^75+594x^76+996x^77+1662x^78+2250x^79+2464x^80+2286x^81+1672x^82+1000x^83+584x^84+386x^85+264x^86+170x^87+151x^88+108x^89+83x^90+74x^91+44x^92+36x^93+16x^94+14x^95+9x^96+2x^97+4x^98+4x^99+2x^100+4x^102+1x^120 The gray image is a code over GF(2) with n=640, k=14 and d=276. This code was found by Heurico 1.16 in 10.4 seconds.