C13332313311211113313331333133313331323321333133313113313222313221   >>    C1333231331121111331333133313331333132332133313331311331322231322   <<    C13332313311211113313331333133313331323321333133313113313222313223   >>      C13332313311211113313331333133313331323321333133313113313222313222   >>