C31232132313132313123231323132313331313232233132322131133132333132313232231111   >>    C3123213231313231312323132313231333131323223313232213113313233313231323223111   <<    C31232132313132313123231323132313331313232233132322131133132333132313232231113   >>      C31232132313132313123231323132313331313232233132322131133132333132313232231112   >>