C111123313121111121111331333133313331323231333133313331311233121322321   >>    C11112331312111112111133133313331333132323133313331333131123312132232   <<    C111123313121111121111331333133313331323231333133313331311233121322323   >>      C111123313121111121111331333133313331323231333133313331311233121322322   >>