C13332313311211113313331333133313331322333133313331333133322123222221   >>    C1333231331121111331333133313331333132233313331333133313332212322222   <<    C13332313311211113313331333133313331322333133313331333133322123222223   >>      C13332313311211113313331333133313331322333133313331333133322123222222   >>