C111123313121111121111331333133313331331121111133313331333133313331333131322111   >>    C11112331312111112111133133313331333133112111113331333133313331333133313132211   <<    C111123313121111121111331333133313331331121111133313331333133313331333131322113   >>      C111123313121111121111331333133313331331121111133313331333133313331333131322112   >>