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 1 1 2 2 1 1 2 1 2 1 2 1 1 2 1 1 4 1 1 0 2 1 1 4 1 1 1 1 2 1 1 2 1 1 1 4 1 0 8 4 1 1 0 1 1 2 1 4 1 1 0 12 0 4 0 0 4 12 0 8 4 0 4 8 4 4 4 0 12 0 4 8 0 12 12 0 12 4 12 8 12 8 12 12 12 8 0 12 4 4 0 0 4 4 4 12 12 12 8 0 4 4 4 0 0 12 8 0 0 4 4 0 12 4 12 4 4 12 8 4 12 4 8 8 4 12 12 8 8 0 8 0 0 12 4 0 12 4 0 0 4 0 8 12 12 8 12 4 0 0 0 0 4 12 4 8 12 8 4 0 4 12 12 12 0 8 0 8 8 4 12 0 12 12 4 12 8 12 8 0 12 8 12 0 0 12 4 8 0 12 8 8 12 4 12 4 8 12 0 4 4 0 12 12 4 8 0 8 12 4 0 4 0 0 0 8 0 0 0 0 0 8 8 8 8 0 0 0 0 0 0 8 8 8 0 8 8 0 0 8 8 0 8 8 8 0 0 0 8 8 8 8 8 8 0 0 0 8 0 8 8 8 8 8 0 0 0 0 0 0 0 0 0 0 8 0 0 8 0 8 8 0 8 8 0 0 8 0 8 0 0 0 8 0 0 0 0 8 0 0 0 0 0 0 0 8 8 8 8 8 0 8 8 0 8 0 0 0 8 0 8 8 8 8 0 8 0 0 0 8 0 0 0 8 8 0 8 0 8 0 0 0 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 0 8 0 8 8 0 8 0 8 0 8 8 0 8 0 0 0 0 0 0 8 0 0 0 8 0 0 0 0 0 0 8 0 0 0 0 8 8 8 0 8 0 8 0 8 8 0 0 8 8 8 8 8 0 0 8 8 0 0 8 8 8 0 8 0 8 8 8 0 0 8 0 0 8 8 0 0 0 0 8 0 0 8 0 8 8 8 8 8 8 8 8 0 0 0 8 0 0 0 0 0 0 8 0 0 8 8 8 0 0 0 8 0 8 8 0 0 8 8 0 0 8 0 8 0 8 0 8 8 0 8 0 8 8 8 0 8 8 8 0 0 8 8 0 0 8 0 0 0 8 0 0 8 8 8 8 0 8 0 8 0 8 0 0 8 8 8 0 0 8 8 0 0 8 8 0 0 0 0 0 0 0 0 0 8 0 0 8 0 0 0 0 0 8 8 8 8 8 8 0 0 0 0 0 8 0 8 8 8 0 0 0 8 8 0 8 8 8 0 8 8 0 0 0 8 0 0 8 0 8 0 8 0 0 8 8 8 0 8 8 0 8 8 8 0 8 0 0 8 8 8 8 0 0 8 8 8 0 0 0 0 0 0 0 0 0 8 0 0 8 0 0 0 0 8 8 0 8 0 8 8 8 8 8 8 0 0 0 0 8 0 0 8 8 8 0 8 8 0 8 8 0 0 8 0 0 8 0 8 0 8 0 8 8 8 8 8 0 8 8 0 8 0 0 8 0 8 8 8 8 8 0 8 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+16x^69+76x^70+84x^71+213x^72+144x^73+306x^74+184x^75+633x^76+482x^77+1430x^78+1264x^79+2424x^80+1818x^81+2518x^82+1302x^83+1560x^84+448x^85+595x^86+144x^87+183x^88+128x^89+149x^90+80x^91+74x^92+30x^93+32x^94+12x^95+17x^96+6x^97+10x^98+2x^99+12x^100+3x^102+2x^104+1x^108+1x^122 The gray image is a code over GF(2) with n=648, k=14 and d=276. This code was found by Heurico 1.16 in 10.7 seconds.