2680 0
2679 1
2679 3
2678 4
2678 0
2678 2
2677 2
2676 0
2676 4
2675 1
2675 2
2675 0
2674 2
2674 3
2674 0
2673 1
2670 5
2670 0
2668 2
2667 1
2664 4