C22121333132313311211113313331333133313121111331333133313331311331322323131   >>    C2212133313231331121111331333133313331312111133133313331333131133132232313   <<    C22121333132313311211113313331333133313121111331333133313331311331322323133   >>      C22121333132313311211113313331333133313121111331333133313331311331322323132   >>