2685 2
2685 4
2684 6
2683 2
2683 5
2681 2
2681 5
2681 1
2680 4
2679 4
2679 2
2677 3
2677 2
2676 8
2675 8
2675 3
2674 9
2673 4
2671 4
2670 0