C31232233133313221211113313331333133313331212111133132322232232321   >>    C3123223313331322121111331333133313331333121211113313232223223232   <<    C31232233133313221211113313331333133313331212111133132322232232323   >>      C31232233133313221211113313331333133313331212111133132322232232322   >>