C31232233133313221211113313331333133313331212111133133311332131   >>    C3123223313331322121111331333133313331333121211113313331133213   <<    C31232233133313221211113313331333133313331212111133133311332133   >>      C31232233133313221211113313331333133313331212111133133311332132   >>