2680 1
2680 3
2680 0
2679 4
2679 1
2679 2
2679 0
2679 3
2678 0
2677 2
2677 0
2676 3
2676 0
2675 1
2675 4
2674 2
2674 3
2674 1
2673 3
2673 2
2672 2