2677 2
2677 1
2677 0
2677 4
2676 1
2676 0
2676 3
2675 4
2675 2
2675 1
2675 0
2674 3
2674 0
2673 1
2673 2
2672 1
2671 4
2671 3
2671 2
2671 1