B33113313132313113313223313331323133313223313231333133313311211231223221   >>    B3311331313231311331322331333132313331322331323133313331331121123122322   <<    B33113313132313113313223313331323133313223313231333133313311211231223223   >>      B33113313132313113313223313331323133313223313231333133313311211231223222   >>