C31232233133313221211113313331333133313331212111133133311223131   >>    C3123223313331322121111331333133313331333121211113313331122313   <<    C31232233133313221211113313331333133313331212111133133311223133   >>      C31232233133313221211113313331333133313331212111133133311223132   >>