B33113313132313113313223313331323132333132313331311331323223313132212231   >>    B3311331313231311331322331333132313233313231333131133132322331313221223   <<    B33113313132313113313223313331323132333132313331311331323223313132212233   >>      B33113313132313113313223313331323132333132313331311331323223313132212232   >>