C22121333132313311211113313331333133313331333132313331311331333211   >>    C2212133313231331121111331333133313331333133313231333131133133321   <<    C22121333132313311211113313331333133313331333132313331311331333213   >>      C22121333132313311211113313331333133313331333132313331311331333212   >>