B33113313132313113313223313331323331333131322331323223313222311   >>    B3311331313231311331322331333132333133313132233132322331322231   <<    B33113313132313113313223313331323331333131322331323223313222313   >>      B33113313132313113313223313331323331333131322331323223313222312   >>