B33113313132313113313223313331323133313223313231333132213231323132232311   >>    B3311331313231311331322331333132313331322331323133313221323132313223231   <<    B33113313132313113313223313331323133313223313231333132213231323132232313   >>      B33113313132313113313223313331323133313223313231333132213231323132232312   >>