C111123313121111121111331333133313331323232133313331333131123313222123311   >>    C11112331312111112111133133313331333132323213331333133313112331322212331   <<    C111123313121111121111331333133313331323232133313331333131123313222123313   >>      C111123313121111121111331333133313331323232133313331333131123313222123312   >>