B33113313132313113313223313331323133313223313231333133313232212113311232311   >>    B3311331313231311331322331333132313331322331323133313331323221211331123231   <<    B33113313132313113313223313331323133313223313231333133313232212113311232313   >>      B33113313132313113313223313331323133313223313231333133313232212113311232312   >>