C31232233133313221211113313331311331333133313331311331322123131   >>    C3123223313331322121111331333131133133313331333131133132212313   <<    C31232233133313221211113313331311331333133313331311331322123133   >>      C31232233133313221211113313331311331333133313331311331322123132   >>