C312312111133131212111133133313231333132311331333133313132322333132311   >>    C31231211113313121211113313331323133313231133133313331313232233313231   <<    C312312111133131212111133133313231333132311331333133313132322333132313   >>      C312312111133131212111133133313231333132311331333133313132322333132312   >>