C31232233133313221211113313331333132313331322121111112211232313333121221   >>    C3123223313331322121111331333133313231333132212111111221123231333312122   <<    C31232233133313221211113313331333132313331322121111112211232313333121223   >>      C31232233133313221211113313331333132313331322121111112211232313333121222   >>