B33113313132313113313223313331323132322132333133313331323132212321   >>    B3311331313231311331322331333132313232213233313331333132313221232   <<    B33113313132313113313223313331323132322132333133313331323132212323   >>      B33113313132313113313223313331323132322132333133313331323132212322   >>