e-------------------------I---------------------------| B-------------------------I---------------------------| G-------------------------I---------------------------| D----------------------10-I---9--------------------10-| A----------------------10-I---9--------------------10-| E----------------------8--I---7--------------------8--| 1 2 3 4 1 2 3 4 e-------------------------I---------------------------| B-------------------------I---------------------------| G-------------------------I---------------------------| D-9--------------------10-I---9-------------999-7-5-4-| A-9--------------------10-I---9-------------999-7-5-4-| E-7--------------------8--I---7-------------777-5-3-2-| 1 2 3 4 1 2 3 4 e-------------------------| B-------------------------| G-------------------------| D-2-----------------------| A-2-----------------------| E-0-----------------------| 1 2 3 4