2680 2
2679 3
2679 0
2678 3
2678 4
2677 2
2677 5
2677 1
2676 8
2676 7
2676 1
2676 3
2676 2
2675 4
2674 6
2674 2
2671 2
2671 4
2670 3
2670 0
2669 1