C13112133313331323321333133313331333131211113313331333132332213111   >>    C1311213331333132332133313331333133313121111331333133313233221311   <<    C13112133313331323321333133313331333131211113313331333132332213113   >>      C13112133313331323321333133313331333131211113313331333132332213112   >>