C3123223313331322121111331333133313331333121211111211111333233121133121   >>    C312322331333132212111133133313331333133312121111121111133323312113312   <<    C3123223313331322121111331333133313331333121211111211111333233121133123   >>      C3123223313331322121111331333133313331333121211111211111333233121133122   >>