1
1
1
0
0
0
0
1
1
1
1
1
1
1
1
0
0
1
2
3
4
5
6
7
8
0
0
1
2
3
4
5
6
7
8
0
0
0
2
2
2
2
2
2
2


1
1
1
1
1
1
1
1

0
1
2
3
4
5
6
7
8

0
1
2
3
4
5
6
7
8

0

2
2
2
2
2
2
2
[]
[]
[0]
[0]
[0]
[0]
[0]
[0]
[0]
[0]
[]
[]
[0]
[0,1]
[0,1,2]
[0,1,2,3]
[0,1,2,3,4]
[0,1,2,3,4,5]
[0,1,2,3,4,5,6]
[0,1,2,3,4,5,6,7]
[]
[]
[0]
[0,1]
[0,1,2]
[0,1,2,3]
[0,1,2,3,4]
[0,1,2,3,4,5]
[0,1,2,3,4,5,6]
[0,1,2,3,4,5,6,7]
[]
[]
[]
[0,1]
[0,1]
[0,1]
[0,1]
[0,1]
[0,1]
[0,1]
[1]	[1]	[1]	[1]
['Hello']	['World']	['Hello']	['World']
[]	[]	
[['a'],['b','c']]	['a']	a
[['d','e','f'],['g','h','i','j'],['k','l','m','n','o']]	['g','h','i','j']	h
[['p','q','r','s','t','u'],['v','w','x','y','z','aa','bb'],['cc','dd','ee','ff','gg','hh','ii','jj'],['kk','ll','mm','nn','oo','pp','qq','rr','ss']]	['cc','dd','ee','ff','gg','hh','ii','jj']	ee
[]	[]	
[]	[]	
[]	[]	
[]	[]	
[]	[]	
[]	[]