2686 10
2685 1
2685 0
2685 3
2684 2
2683 4
2683 2
2683 0
2682 2
2682 1
2682 0
2682 3
2681 1
2681 0
2681 4
2681 2
2680 0
2680 2
2679 1
2679 4