B33113313132313113313223313331323132333132313331311133313133313232213221   >>    B3311331313231311331322331333132313233313231333131113331313331323221322   <<    B33113313132313113313223313331323132333132313331311133313133313232213223   >>      B33113313132313113313223313331323132333132313331311133313133313232213222   >>