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a-------------------------------------------------------------|
e-------------------------------------------------------------|
g--------------------------------------------|
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a-0-21-2-00-2-0-21----------0-0-0-1-1-01-2-0-|
e--------------------------------------------|
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e-0-0-0t-0-t0-tt-t0t-xx0--0t--|
g-------------------------------------------------|
d-------------------------------------------------|
a-------------------------------------------------|
e-22-33-44-55-66-77-88-99/99t88t77t66t55t44t33t22-|