B33113313132313113313223313331323132313233313331311133313132322132322231   >>    B3311331313231311331322331333132313231323331333131113331313232213232223   <<    B33113313132313113313223313331323132313233313331311133313132322132322233   >>      B33113313132313113313223313331323132313233313331311133313132322132322232   >>