C31232233133313221211113313331333133313113311331333131133132211131   >>    C3123223313331322121111331333133313331311331133133313113313221113   <<    C31232233133313221211113313331333133313113311331333131133132211133   >>      C31232233133313221211113313331333133313113311331333131133132211132   >>