2688 4
2688 7
2687 0
2686 9
2685 1
2685 0
2685 2
2684 1
2683 1
2683 4
2683 2
2682 0
2681 0
2681 5
2681 2
2680 5
2680 1
2679 3
2679 1
2678 1
2677 2