2680 2
2680 1
2680 3
2679 0
2679 2
2678 1
2678 4
2678 0
2678 6
2678 3
2677 2
2677 0
2677 4
2676 1
2676 3
2675 2
2674 1
2674 0
2673 0
2671 1