 
										
											 3
 3  5
 5 
										
											 1
 1 
										
											 2
 2  3
 3 
										
											 1
 1 
										
											 1
 1 
										
											 1
 1 
										
											 1
 1 
										
											 1
 1 
										
											 1
 1 
										
											 1
 1