1st part of Bridge:
-----------------------------------------------------------------
-4-4-4-4-4-4-----------------------------------------------------
-------------4-4-4-4-4-4-------------2-2-2-2-2-2-------------4-4-
-------------------------4-4-4-4-4-4-------------2-2-2-2-2-2-----
2nd part of bridge: (after pause)
---------------------------------------------------------------
-4-4-4-3-3-------4-4-------------------------------------------
-----------4-4-4-----------1-1-2-2-2-2-2---------------4-4-4-4-
---------------------4-4-4---------------4-2-2-2-2-2-2---------