B33113313132313113313223313331323133313223313231333133313233313112211231131   >>    B3311331313231311331322331333132313331322331323133313331323331311221123113   <<    B33113313132313113313223313331323133313223313231333133313233313112211231133   >>      B33113313132313113313223313331323133313223313231333133313233313112211231132   >>