C111123313121111121111331333133313331323232133313331333131131333133313311   >>    C11112331312111112111133133313331333132323213331333133313113133313331331   <<    C111123313121111121111331333133313331323232133313331333131131333133313313   >>      C111123313121111121111331333133313331323232133313331333131131333133313312   >>