4 acessos
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-6h7-7--9-6-7-7p6h7-9-7-6h7-----------------------------|
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-------7------------------------------------------------|
-6h7-7--9-6-7-7p6h7-9~----------------------------------|
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-------7------------------------------------------------|
-6h7-7--9-6-7-7p6h7-9-7-6h7-----------------------------|
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-------7------------------------------------------------|
-6h7-7--9-6-7-7p6h7-9~-11~-12-12-12-12-11-11-11-11------|
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