B33113313132313113313223313331323132313331313232233132313231323221212122311   >>    B3311331313231311331322331333132313231333131323223313231323132322121212231   <<    B33113313132313113313223313331323132313331313232233132313231323221212122313   >>      B33113313132313113313223313331323132313331313232233132313231323221212122312   >>