C31232233133313221211113313331333133313331212111133133112211131   >>    C3123223313331322121111331333133313331333121211113313311221113   <<    C31232233133313221211113313331333133313331212111133133112211133   >>      C31232233133313221211113313331333133313331212111133133112211132   >>