C31232233133313221211113313331333133313113311331333133312113312111   >>    C3123223313331322121111331333133313331311331133133313331211331211   <<    C31232233133313221211113313331333133313113311331333133312113312113   >>      C31232233133313221211113313331333133313113311331333133312113312112   >>