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 2 8 1 1 2 1 4 1 8 2 1 1 2 1 0 2 1 1 12 2 1 1 1 2 1 1 1 1 2 0 1 4 1 1 2 1 1 1 1 4 1 1 1 2 8 2 0 4 0 2 1 2 4 1 1 1 1 0 2 0 6 4 14 12 2 0 6 14 12 2 8 4 10 0 2 12 2 14 4 14 12 14 2 8 10 2 10 2 0 2 14 4 6 2 0 2 6 4 10 2 10 2 4 0 6 0 12 4 14 10 2 2 2 4 6 14 10 14 6 10 2 0 6 6 0 2 10 2 4 2 0 14 2 4 2 4 2 0 0 0 12 0 4 4 0 4 0 0 4 8 12 4 4 8 0 8 0 4 12 4 8 8 4 12 12 0 12 4 12 12 12 4 0 0 4 12 0 0 4 0 8 8 12 4 8 8 0 0 8 4 8 8 12 4 0 8 4 12 12 4 8 12 12 12 8 12 12 0 0 12 4 12 8 4 4 4 0 12 0 0 0 0 8 0 0 0 0 0 0 0 0 8 0 8 8 8 8 0 8 8 8 8 0 0 8 8 0 8 0 0 0 8 0 8 8 0 0 0 0 0 8 0 8 0 8 0 0 0 0 0 8 0 0 8 8 8 8 0 0 8 0 8 0 8 8 8 8 8 0 8 0 0 0 8 8 0 0 8 0 0 0 0 0 0 8 0 0 0 0 8 8 8 8 0 8 0 8 8 8 0 0 8 8 0 8 0 0 0 8 0 0 0 0 8 0 0 8 8 0 8 0 8 8 0 0 0 8 0 0 8 8 8 8 8 8 8 0 8 8 8 8 8 0 0 8 8 0 0 8 0 0 0 8 8 0 0 0 8 0 0 8 0 0 0 0 0 8 0 0 0 0 8 0 0 0 0 0 0 0 0 0 0 0 8 8 0 8 8 8 8 0 0 8 8 8 0 8 8 8 0 8 8 8 0 8 0 0 0 0 0 8 8 8 8 8 8 8 8 0 0 0 0 0 8 8 0 0 0 8 8 0 8 8 8 0 0 8 8 8 8 8 8 0 0 0 0 0 0 8 0 0 0 0 8 0 0 0 0 0 0 8 0 8 8 8 0 0 8 0 8 8 0 8 8 0 8 0 8 0 0 8 8 0 8 8 8 0 8 8 8 0 0 8 8 8 0 0 0 0 0 0 8 8 8 0 8 8 8 8 8 0 0 0 8 8 0 8 8 0 8 8 8 8 0 0 0 0 0 0 0 8 0 0 0 0 8 0 0 0 0 0 0 8 8 0 8 8 8 0 8 8 0 8 0 8 8 8 0 8 0 8 8 8 0 0 8 0 0 8 8 0 8 0 0 8 0 8 8 0 8 8 0 0 8 8 0 8 8 0 0 8 8 0 0 0 0 8 8 0 8 8 0 0 8 0 0 0 0 0 0 0 0 8 0 0 0 0 8 8 8 0 8 8 8 8 8 8 8 0 8 0 8 8 8 8 0 8 0 8 0 8 8 8 8 0 0 8 0 0 8 0 8 0 0 0 0 8 0 8 0 0 0 8 0 0 0 8 8 0 0 8 8 8 0 0 0 8 8 0 0 8 0 8 0 0 generates a code of length 81 over Z16 who´s minimum homogenous weight is 69. Homogenous weight enumerator: w(x)=1x^0+20x^69+63x^70+108x^71+241x^72+354x^73+522x^74+776x^75+1237x^76+1770x^77+2486x^78+3200x^79+3670x^80+3972x^81+3772x^82+3234x^83+2431x^84+1680x^85+1107x^86+788x^87+529x^88+338x^89+192x^90+68x^91+52x^92+50x^93+33x^94+16x^95+19x^96+8x^97+8x^98+2x^99+7x^100+6x^102+4x^104+2x^106+1x^108+1x^110 The gray image is a code over GF(2) with n=648, k=15 and d=276. This code was found by Heurico 1.16 in 30.5 seconds.