#28878
3
2
#28877
6 3
#28876
3 2
#28875
3 2
#28874
3 2
#28873
3 2
#28872
2 1
#28871
3 2
#28870
3 2
#28869
3 2#28868
6 3
#28867
6 3 3 2 6 3 3 2 3 2 3 2 3 2 2 1 3 2 3 2 3 2 6 3 6 3