B33113313132313113313223313331311331323331323331333132233132313113123311   >>    B3311331313231311331322331333131133132333132333133313223313231311312331   <<    B33113313132313113313223313331311331323331323331333132233132313113123313   >>      B33113313132313113313223313331311331323331323331333132233132313113123312   >>