C13112133313331323321333133313331333131211113313331333132233132223131   >>    C1311213331333132332133313331333133313121111331333133313223313222313   <<    C13112133313331323321333133313331333131211113313331333132233132223133   >>      C13112133313331323321333133313331333131211113313331333132233132223132   >>