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 2 2 2 1 2 2 1 1 1 4 1 2 0 1 4 1 2 1 1 1 1 0 1 2 1 1 4 2 1 2 1 1 0 2 1 1 2 2 1 1 1 1 1 4 2 1 4 1 1 0 12 0 12 0 12 0 12 0 12 0 4 12 8 0 12 4 8 12 12 0 4 0 8 0 0 12 12 4 12 0 8 12 12 12 12 12 12 0 8 12 12 0 12 4 4 12 4 12 8 0 4 4 4 0 4 8 0 12 12 12 4 4 8 4 12 8 12 8 12 0 12 0 0 12 8 12 4 12 12 0 0 0 8 0 0 0 0 0 0 0 0 0 0 8 8 0 0 8 8 8 0 8 8 0 0 8 8 8 0 0 8 8 8 8 8 0 8 0 8 8 0 0 8 0 0 0 0 8 0 0 0 0 8 0 0 0 0 8 8 0 8 0 0 8 8 0 0 0 8 0 8 8 0 0 8 0 8 0 8 0 0 0 0 0 8 0 0 0 0 0 0 0 8 8 0 0 0 8 0 8 0 8 0 0 8 8 8 8 0 0 8 0 0 8 0 0 8 8 0 0 0 8 8 8 8 8 0 8 0 8 0 0 8 8 0 8 8 8 0 0 0 0 8 8 0 0 0 8 0 0 8 0 8 8 0 0 8 8 8 0 0 8 0 0 0 0 8 0 0 0 0 0 0 0 0 0 8 0 0 8 0 0 8 0 8 8 8 0 8 8 8 8 8 0 0 0 8 0 8 0 0 8 8 0 8 0 8 8 0 0 0 8 0 0 8 0 8 8 8 0 8 0 0 0 8 8 8 0 0 8 0 0 0 8 8 0 8 8 0 8 8 8 8 0 0 0 0 0 8 0 0 0 0 0 0 8 0 0 0 8 0 0 8 0 8 8 8 8 8 8 8 0 0 0 0 8 8 0 0 0 8 8 8 8 8 0 0 0 0 8 0 0 8 8 0 8 8 0 0 0 0 8 8 8 8 0 0 0 8 0 8 8 0 8 0 0 0 0 8 0 0 8 0 0 0 0 0 0 0 0 8 0 0 0 0 0 0 0 0 0 0 8 0 0 0 0 0 0 8 0 8 8 8 8 0 8 8 8 0 8 8 8 8 8 8 8 8 0 0 0 0 0 0 8 0 8 0 8 0 8 8 8 8 8 8 8 8 8 0 0 0 0 0 8 0 0 8 8 0 0 0 8 8 0 0 0 0 0 0 0 0 0 8 0 0 0 0 8 0 0 8 0 0 8 8 8 8 8 0 0 0 8 8 0 8 0 0 0 0 8 0 0 0 0 0 8 0 8 8 0 8 8 0 8 0 0 8 0 8 8 0 0 8 0 0 8 0 8 8 8 0 0 8 8 0 8 8 0 0 0 8 0 0 8 8 8 0 0 0 0 0 0 0 0 8 0 0 0 0 0 8 0 0 8 0 0 8 0 8 8 8 8 0 0 0 0 0 0 0 0 0 8 8 8 8 0 8 8 0 8 0 8 0 8 0 0 8 0 8 8 8 0 8 8 8 0 0 8 8 0 0 8 0 0 8 0 8 8 8 8 0 8 8 8 8 0 8 0 0 0 0 0 0 0 0 0 8 0 8 8 0 0 8 8 0 8 0 8 8 0 8 8 8 8 0 8 0 8 8 0 0 8 0 0 8 0 0 0 8 0 0 8 8 0 0 0 8 8 8 0 8 0 8 0 0 8 8 0 8 8 8 0 8 8 0 8 8 0 0 8 8 8 0 0 8 8 0 0 0 0 0 0 0 0 0 0 0 0 8 0 0 8 8 8 8 8 8 0 8 8 0 0 8 0 0 8 8 0 0 0 0 8 8 8 0 0 8 0 0 8 8 0 8 0 8 0 8 8 8 0 0 8 0 8 0 0 0 0 8 0 0 8 0 0 8 0 8 8 8 8 0 8 8 8 0 0 8 8 8 generates a code of length 81 over Z16 who´s minimum homogenous weight is 66. Homogenous weight enumerator: w(x)=1x^0+46x^66+8x^67+119x^68+30x^69+191x^70+162x^71+250x^72+318x^73+317x^74+750x^75+359x^76+1916x^77+1419x^78+4192x^79+3505x^80+5708x^81+3478x^82+4212x^83+1409x^84+1926x^85+328x^86+754x^87+277x^88+310x^89+214x^90+150x^91+135x^92+32x^93+101x^94+12x^95+54x^96+40x^98+24x^100+8x^102+9x^104+1x^106+2x^108+1x^118 The gray image is a code over GF(2) with n=648, k=15 and d=264. This code was found by Heurico 1.16 in 40.7 seconds.