B33113313132313113313223313331323133313223313231333133313112232223221   >>    B3311331313231311331322331333132313331322331323133313331311223222322   <<    B33113313132313113313223313331323133313223313231333133313112232223223   >>      B33113313132313113313223313331323133313223313231333133313112232223222   >>