C31232233133313221211113313331333133313331212111133132212323121   >>    C3123223313331322121111331333133313331333121211113313221232312   <<    C31232233133313221211113313331333133313331212111133132212323123   >>      C31232233133313221211113313331333133313331212111133132212323122   >>