C111123313121111121111331333133313331333131233133313112221322122321   >>    C11112331312111112111133133313331333133313123313331311222132212232   <<    C111123313121111121111331333133313331333131233133313112221322122323   >>      C111123313121111121111331333133313331333131233133313112221322122322   >>