B33113313132313113313223313331323133313223313231333133313132313111121221   >>    B3311331313231311331322331333132313331322331323133313331313231311112122   <<    B33113313132313113313223313331323133313223313231333133313132313111121223   >>      B33113313132313113313223313331323133313223313231333133313132313111121222   >>