B33113313132313113313223313331323132313233313331311331311331322331322112311   >>    B3311331313231311331322331333132313231323331333131133131133132233132211231   <<    B33113313132313113313223313331323132313233313331311331311331322331322112313   >>      B33113313132313113313223313331323132313233313331311331311331322331322112312   >>