2680 2
2680 3
2679 0
2679 2
2679 3
2678 0
2678 1
2677 0
2677 2
2676 3
2675 3
2675 2
2674 1
2673 5
2673 0
2673 3
2672 0
2672 2
2670 3
2670 0