2681 4
2681 5
2681 2
2680 5
2680 1
2679 3
2679 1
2679 2
2678 1
2678 0
2677 2
2676 3
2676 2
2676 0
2675 2
2674 1
2674 0
2673 2
2672 0
2672 1