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   F (133211@1)  Am (x02210@1) B (x2444x@1) C# (x43121@1) :----1----0----1----3----:
 :----1----1----3----5----:
 :----2----2----3----5----:
 :----3----2----3----5----:
 :----3----0----1----3----:
 :----1----0----1----3----:

That's the main idea.

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