C31232233133313221211113313331333133313113311331333133313331311112113231   >>    C3123223313331322121111331333133313331311331133133313331333131111211323   <<    C31232233133313221211113313331333133313113311331333133313331311112113233   >>      C31232233133313221211113313331333133313113311331333133313331311112113232   >>