C31232233133313221211113313331333133313113311331333133313121111132313332233131   >>    C3123223313331322121111331333133313331311331133133313331312111113231333223313   <<    C31232233133313221211113313331333133313113311331333133313121111132313332233133   >>      C31232233133313221211113313331333133313113311331333133313121111132313332233132   >>