C111221232313231313231313231323223313132323132313331323132231131   >>    C11122123231323131323131323132322331313232313231333132313223113   <<    C111221232313231313231313231323223313132323132313331323132231133   >>      C111221232313231313231313231323223313132323132313331323132231132   >>