C1212122313132322331313232233132313231323133313231313331323133112231   >>    C121212231313232233131323223313231323132313331323131333132313311223   <<    C1212122313132322331313232233132313231323133313231313331323133112233   >>      C1212122313132322331313232233132313231323133313231313331323133112232   >>