B33113313132313113313223313331323133313223313231333133313311231211111212122311   >>    B3311331313231311331322331333132313331322331323133313331331123121111121212231   <<    B33113313132313113313223313331323133313223313231333133313311231211111212122313   >>      B33113313132313113313223313331323133313223313231333133313311231211111212122312   >>