[2,1,3]	[1,2,3]	[3,2,1]	[3,2,1]
[2,1,3]	[1,2,3]	[3,2,1]	[3,2,1]
['2','1','3']	['1','2','3']	['3','2','1']	['1','2','3']
['2','1','3']	['1','2','3']	['3','2','1']	['1','2','3']
[[0,1],[0],[0,1,2]]	[[0],[0,1],[0,1,2]]	[[0,1,2],[0,1],[0]]	[[0,1,2],[0,1],[0]]
[[0,1],[0],[0,1,2]]	[[0],[0,1],[0,1,2]]	[[0,1,2],[0,1],[0]]	[[0,1,2],[0,1],[0]]
['476118317','873','1381','']	['','1381','476118317','873']	['','873','1381','476118317']
['1','577349846663553','72']	['1','577349846663553','72']	['1','72','577349846663553']
['181981357172','4167749']	['181981357172','4167749']	['4167749','181981357172']
['962446486456','415994']	['415994','962446486456']	['415994','962446486456']
['77667','936175','7','26','8']	['26','7','77667','8','936175']	['7','8','26','77667','936175']
['152285784','9','6979435','']	['','152285784','6979435','9']	['','9','6979435','152285784']
['12742','4333384','853','32']	['12742','32','4333384','853']	['32','853','12742','4333384']
['1336581123286','26','488']	['1336581123286','26','488']	['26','488','1336581123286']
['117','','','3455837413562','']	['','','','117','3455837413562']	['','','','117','3455837413562']
['441693','539393268817']	['441693','539393268817']	['441693','539393268817']
[]
[]
[1,0]
[]
[3,2,1,0]
[]
[5,4,3,2,1,0]
[]
[7,6,5,4,3,2,1,0]
[]
['world','hello']