2680 0
2679 4
2678 0
2678 5
2677 1
2676 1
2676 2
2675 1
2674 2
2672 2
2672 4
2672 1
2671 0
2671 4
2671 2
2671 5
2670 1
2670 3
2669 5
2668 4