2680 1
2679 0
2679 3
2678 0
2677 3
2677 2
2676 4
2675 2
2675 3
2675 1
2672 3
2672 1
2671 7
2671 5
2670 5
2668 2
2668 5
2665 1
2663 3
2662 7
2662 0