B33113313132313113313223313331323133313223313231333133313113313232221233121   >>    B3311331313231311331322331333132313331322331323133313331311331323222123312   <<    B33113313132313113313223313331323133313223313231333133313113313232221233123   >>      B33113313132313113313223313331323133313223313231333133313113313232221233122   >>