C13332313311211113313331333133313331322333133313331333132322123333211312121   >>    C1333231331121111331333133313331333132233313331333133313232212333321131212   <<    C13332313311211113313331333133313331322333133313331333132322123333211312123   >>      C13332313311211113313331333133313331322333133313331333132322123333211312122   >>