C31232233133313221211113313331333133313331212111133121111132132231   >>    C3123223313331322121111331333133313331333121211113312111113213223   <<    C31232233133313221211113313331333133313331212111133121111132132233   >>      C31232233133313221211113313331333133313331212111133121111132132232   >>