C31232233133313221211113313331333133313113311331333133313121111331322123131   >>    C3123223313331322121111331333133313331311331133133313331312111133132212313   <<    C31232233133313221211113313331333133313113311331333133313121111331322123133   >>      C31232233133313221211113313331333133313113311331333133313121111331322123132   >>