B33113313132313113313223313331323132333132333131323331333132313331322121311   >>    B3311331313231311331322331333132313233313233313132333133313231333132212131   <<    B33113313132313113313223313331323132333132333131323331333132313331322121313   >>      B33113313132313113313223313331323132333132333131323331333132313331322121312   >>