C31232233133313221211113313331333133313331212111133132233131133121221   >>    C3123223313331322121111331333133313331333121211113313223313113312122   <<    C31232233133313221211113313331333133313331212111133132233131133121223   >>      C31232233133313221211113313331333133313331212111133132233131133121222   >>