C111123313121111121111331333133313331333133313331333133313331333211331312321   >>    C11112331312111112111133133313331333133313331333133313331333133321133131232   <<    C111123313121111121111331333133313331333133313331333133313331333211331312323   >>      C111123313121111121111331333133313331333133313331333133313331333211331312322   >>