C31232233133313221211113313331333133313113311331333133313331331121   >>    C3123223313331322121111331333133313331311331133133313331333133112   <<    C31232233133313221211113313331333133313113311331333133313331331123   >>      C31232233133313221211113313331333133313113311331333133313331331122   >>