C31232233133313221211113313331333133313113311331333133313331333121322111   >>    C3123223313331322121111331333133313331311331133133313331333133312132211   <<    C31232233133313221211113313331333133313113311331333133313331333121322113   >>      C31232233133313221211113313331333133313113311331333133313331333121322112   >>