C1212122313132322331313232233132313231323133313231311331323133313131221   >>    C121212231313232233131323223313231323132313331323131133132313331313122   <<    C1212122313132322331313232233132313231323133313231311331323133313131223   >>      C1212122313132322331313232233132313231323133313231311331323133313131222   >>