B33113313132313113313223313331323132313331313232233132333132313232212313231   >>    B3311331313231311331322331333132313231333131323223313233313231323221231323   <<    B33113313132313113313223313331323132313331313232233132333132313232212313233   >>      B33113313132313113313223313331323132313331313232233132333132313232212313232   >>