C31232132313132313123231323132313331313232233132322131133132333132323111   >>    C3123213231313231312323132313231333131323223313232213113313233313232311   <<    C31232132313132313123231323132313331313232233132322131133132333132323113   >>      C31232132313132313123231323132313331313232233132322131133132333132323112   >>