2680 0
2680 2
2680 1
2679 2
2679 3
2678 1
2678 2
2677 0
2676 1
2676 3
2676 0
2675 0
2675 1
2674 0
2673 0
2672 2
2672 1
2671 0
2670 2
2670 0
2669 2