C13112133313331323321333133313331333131211113313331333132333131132321   >>    C1311213331333132332133313331333133313121111331333133313233313113232   <<    C13112133313331323321333133313331333131211113313331333132333131132323   >>      C13112133313331323321333133313331333131211113313331333132333131132322   >>