C312322331333132212111133133313331333133312121111331333113313221131223311   >>    C31232233133313221211113313331333133313331212111133133311331322113122331   <<    C312322331333132212111133133313331333133312121111331333113313221131223313   >>      C312322331333132212111133133313331333133312121111331333113313221131223312   >>