B33113313132313113313223313331311331333131113331333133313231333132231232311   >>    B3311331313231311331322331333131133133313111333133313331323133313223123231   <<    B33113313132313113313223313331311331333131113331333133313231333132231232313   >>      B33113313132313113313223313331311331333131113331333133313231333132231232312   >>