C312312111111331312111133133313121111133313113313331322333132322122331   >>    C31231211111133131211113313331312111113331311331333132233313232212233   <<    C312312111111331312111133133313121111133313113313331322333132322122333   >>      C312312111111331312111133133313121111133313113313331322333132322122332   >>