B33113313132313113313223313331323331333132313321133133313331322112311   >>    B3311331313231311331322331333132333133313231332113313331333132211231   <<    B33113313132313113313223313331323331333132313321133133313331322112313   >>      B33113313132313113313223313331323331333132313321133133313331322112312   >>