B33113313132313113313223313331323133313223313231333132313231322232133311211   >>    B3311331313231311331322331333132313331322331323133313231323132223213331121   <<    B33113313132313113313223313331323133313223313231333132313231322232133311213   >>      B33113313132313113313223313331323133313223313231333132313231322232133311212   >>