C3123121111331312121111331333132313331333133313331312111112111133132322333221   >>    C312312111133131212111133133313231333133313331333131211111211113313232233322   <<    C3123121111331312121111331333132313331333133313331312111112111133132322333223   >>      C3123121111331312121111331333132313331333133313331312111112111133132322333222   >>