C111112111133131121133133313331333133313331322121111331333133313331323122131121   >>    C11111211113313112113313331333133313331333132212111133133313331333132312213112   <<    C111112111133131121133133313331333133313331322121111331333133313331323122131123   >>      C111112111133131121133133313331333133313331322121111331333133313331323122131122   >>