C11112331312111112111133133313331333132323213331333131121333132322321133111   >>    C1111233131211111211113313331333133313232321333133313112133313232232113311   <<    C11112331312111112111133133313331333132323213331333131121333132322321133113   >>      C11112331312111112111133133313331333132323213331333131121333132322321133112   >>