2689 0
2688 2
2688 1
2688 4
2687 5
2686 1
2686 6
2685 2
2684 1
2683 5
2683 3
2682 2
2681 1
2681 3
2680 3
2680 0
2679 3
2679 0
2678 1
2678 0