C1212122313132322331313232233132313231323133313231311331323122331   >>    C121212231313232233131323223313231323132313331323131133132312233   <<    C1212122313132322331313232233132313231323133313231311331323122333   >>      C1212122313132322331313232233132313231323133313231311331323122332   >>