B33113313132313113313223313331323133313223313231333133313221121133131111211311   >>    B3311331313231311331322331333132313331322331323133313331322112113313111121131   <<    B33113313132313113313223313331323133313223313231333133313221121133131111211313   >>      B33113313132313113313223313331323133313223313231333133313221121133131111211312   >>