2680 8
2679 2
2679 4
2679 0
2678 5
2677 2
2676 2
2675 8
2675 3
2675 5
2675 4
2673 6
2673 5
2672 1
2672 4
2672 2
2671 1
2670 4
2670 3
2670 6
2669 3