C31232233133313221211113313331333133313331212111133132212111133112113113212111   >>    C3123223313331322121111331333133313331333121211113313221211113311211311321211   <<    C31232233133313221211113313331333133313331212111133132212111133112113113212113   >>      C31232233133313221211113313331333133313331212111133132212111133112113113212112   >>