E|-----1-------------------- -----1--------------1----- B|--------1-----------3--1-- --------1--------------1-- G|-----------3-----2-------- -----------3-----3-------- D|--------------0----------- --------------3----------- A|--1--------------------3-- --1-----------3----------- E|------------------------- -----------------------1-- Fig. C Fig. D E|-----1--------------1----- -----1--------------0--1-- B|--------1--------3-----0-- --------1--------1-------- G|-----------3--2----------- -----------3--0----------- D|--------------0----------- -----------------------0-- A|--1--------------------3-- --1-----------3----------- E|-------------------------- --------------------------