2685 0
2684 4
2684 2
2682 3
2682 1
2681 4
2681 2
2680 5
2680 0
2679 1
2678 0
2678 1
2676 3
2674 0
2674 1
2673 2
2672 3
2672 1
2671 3
2669 2