2687 3
2687 2
2687 5
2687 0
2687 6
2686 6
2686 0
2685 2
2685 0
2684 1
2684 2
2683 0
2683 5
2683 6
2682 1
2682 2
2681 3
2681 1
2680 3
2680 1
2680 5