B33113313132313113313223313331323133313221323331333132313231322123231   >>    B3311331313231311331322331333132313331322132333133313231323132212323   <<    B33113313132313113313223313331323133313221323331333132313231322123233   >>      B33113313132313113313223313331323133313221323331333132313231322123232   >>