C31232233133313221211113313331333133313331212111133133313221333133313112123131   >>    C3123223313331322121111331333133313331333121211113313331322133313331311212313   <<    C31232233133313221211113313331333133313331212111133133313221333133313112123133   >>      C31232233133313221211113313331333133313331212111133133313221333133313112123132   >>