2688 2
2688 5
2688 0
2687 3
2686 4
2685 3
2685 1
2684 2
2683 0
2683 4
2683 3
2683 6
2683 2
2682 2
2682 5
2682 3
2681 3
2681 0
2681 1
2680 2