C31232233133313221211113313331333133313113311331333133313331331121133131333121   >>    C3123223313331322121111331333133313331311331133133313331333133112113313133312   <<    C31232233133313221211113313331333133313113311331333133313331331121133131333123   >>      C31232233133313221211113313331333133313113311331333133313331331121133131333122   >>