C123132112322333121111113121111331333133313331131133321311223311   >>    C12313211232233312111111312111133133313331333113113332131122331   <<    C123132112322333121111113121111331333133313331131133321311223313   >>      C123132112322333121111113121111331333133313331131133321311223312   >>