C3123223313331322121111331333133313331333121211111133131133132311331   >>    C312322331333132212111133133313331333133312121111113313113313231133   <<    C3123223313331322121111331333133313331333121211111133131133132311333   >>      C3123223313331322121111331333133313331333121211111133131133132311332   >>