B33113313132313113313223313331323133313223313231333133313311232333131112111   >>    B3311331313231311331322331333132313331322331323133313331331123233313111211   <<    B33113313132313113313223313331323133313223313231333133313311232333131112113   >>      B33113313132313113313223313331323133313223313231333133313311232333131112112   >>