B33113313132313113313223313331323131323133313232233131133132313232212122311   >>    B3311331313231311331322331333132313132313331323223313113313231323221212231   <<    B33113313132313113313223313331323131323133313232233131133132313232212122313   >>      B33113313132313113313223313331323131323133313232233131133132313232212122312   >>