C3123121111331312121111331333132313331333133313311211113311331333132322131   >>    C312312111133131212111133133313231333133313331331121111331133133313232213   <<    C3123121111331312121111331333132313331333133313311211113311331333132322133   >>      C3123121111331312121111331333132313331333133313311211113311331333132322132   >>