C31232233133313221211113313331333133313331212111133132212333221   >>    C3123223313331322121111331333133313331333121211113313221233322   <<    C31232233133313221211113313331333133313331212111133132212333223   >>      C31232233133313221211113313331333133313331212111133132212333222   >>