C31232233133313221211113313331333133313331212111133132212133111   >>    C3123223313331322121111331333133313331333121211113313221213311   <<    C31232233133313221211113313331333133313331212111133132212133113   >>      C31232233133313221211113313331333133313331212111133132212133112   >>