C111123313121111121111331333133313331323232133313331333131213311232321   >>    C11112331312111112111133133313331333132323213331333133313121331123232   <<    C111123313121111121111331333133313331323232133313331333131213311232323   >>      C111123313121111121111331333133313331323232133313331333131213311232322   >>