2671 2
2671 0
2671 4
2670 5
2670 0
2670 2
2668 3
2668 2
2668 4
2667 1
2666 3
2665 0
2665 5
2664 1
2664 2
2664 4
2663 1
2662 4
2661 4
2661 5
2661 2
2661 0