C1212122313132322331313232233132313231323133313231311331322333121   >>    C121212231313232233131323223313231323132313331323131133132233312   <<    C1212122313132322331313232233132313231323133313231311331322333123   >>      C1212122313132322331313232233132313231323133313231311331322333122   >>