C31232233133313221211113313331333133313331212111133132331223131   >>    C3123223313331322121111331333133313331333121211113313233122313   <<    C31232233133313221211113313331333133313331212111133132331223133   >>      C31232233133313221211113313331333133313331212111133132331223132   >>