C31231211113313121211113313113313331333131133133313133313231333132322333113211   >>    C3123121111331312121111331311331333133313113313331313331323133313232233311321   <<    C31231211113313121211113313113313331333131133133313133313231333132322333113213   >>      C31231211113313121211113313113313331333131133133313133313231333132322333113212   >>