B33113313132313113313223313331323133313221211331333133313331121211111211   >>    B3311331313231311331322331333132313331322121133133313331333112121111121   <<    B33113313132313113313223313331323133313221211331333133313331121211111213   >>      B33113313132313113313223313331323133313221211331333133313331121211111212   >>