C13332313311211113313331333133313331311331333133313332321333131121223213211   >>    C1333231331121111331333133313331333131133133313331333232133313112122321321   <<    C13332313311211113313331333133313331311331333133313332321333131121223213213   >>      C13332313311211113313331333133313331311331333133313332321333131121223213212   >>