C3123223313331322121111331333133313331333121211113313121111333233111311   >>    C312322331333132212111133133313331333133312121111331312111133323311131   <<    C3123223313331322121111331333133313331333121211113313121111333233111313   >>      C3123223313331322121111331333133313331333121211113313121111333233111312   >>