C1111121111331311211331333133313331322133313331311331333132333132312231   >>    C111112111133131121133133313331333132213331333131133133313233313231223   <<    C1111121111331311211331333133313331322133313331311331333132333132312233   >>      C1111121111331311211331333133313331322133313331311331333132333132312232   >>