C31232233133313221211113313331333133313331212111133133313331121211332311   >>    C3123223313331322121111331333133313331333121211113313331333112121133231   <<    C31232233133313221211113313331333133313331212111133133313331121211332313   >>      C31232233133313221211113313331333133313331212111133133313331121211332312   >>