1 2 3 4
8 100 1 2 0.000000 13 13 20822 666051842 8 500 1 2 0.000000 11 11 23647 661420918 8 1000 1 2 0.000000 10 10 24017 660688241 8 10000 1 2 0.000000 7 7 27476 651703609