B33113313132313113313223313331323132333132313331311331311331323221132212111   >>    B3311331313231311331322331333132313233313231333131133131133132322113221211   <<    B33113313132313113313223313331323132333132313331311331311331323221132212113   >>      B33113313132313113313223313331323132333132313331311331311331323221132212112   >>