k[1] = 1/10 k[2] = 109/500 k[3] = 1 k[4] = 292408052354609/100000000000000 k[5] = 499999999999999/5000000000000000 k[6] = 263/1000 k[7] = 547/1000 k[8] = 1 k[9] = 292408052354609/10000000000000 k[10] = 239254806051979/1000000000000000 k[11] = 183/100 k[12] = 1460500000017999/20000000000000 k[13] = 1