INORDER:  01 02 04 08 10 20 40 80 
REVERSED: 80 40 20 10 08 04 02 01 

INORDER:  02 04 08 10 20 40 80 
REVERSED: 40 20 10 08 04 02 01 

INORDER:  04 08 10 20 40 80 
REVERSED: 20 10 08 04 02 01 

INORDER:  08 10 20 40 80 
REVERSED: 10 08 04 02 01 

INORDER:  10 20 40 80 
REVERSED: 08 04 02 01 

INORDER:  20 40 80 
REVERSED: 04 02 01 

INORDER:  40 80 
REVERSED: 02 01 

INORDER:  80 
REVERSED: 01