B33113313132313113313223313331323331322113121111331333133313113313221123331   >>    B3311331313231311331322331333132333132211312111133133313331311331322112333   <<    B33113313132313113313223313331323331322113121111331333133313113313221123333   >>      B33113313132313113313223313331323331322113121111331333133313113313221123332   >>