C31232233133313221211113313331333133313113311331333133313113311211331121131   >>    C3123223313331322121111331333133313331311331133133313331311331121133112113   <<    C31232233133313221211113313331333133313113311331333133313113311211331121133   >>      C31232233133313221211113313331333133313113311331333133313113311211331121132   >>