B33113313132313113313223313331323132333132332313331333132321133132323312231   >>    B3311331313231311331322331333132313233313233231333133313232113313232331223   <<    B33113313132313113313223313331323132333132332313331333132321133132323312233   >>      B33113313132313113313223313331323132333132332313331333132321133132323312232   >>