B33132212112331323223313211232333132313331322331333133313331312313113311   >>    B3313221211233132322331321123233313231333132233133313331333131231311331   <<    B33132212112331323223313211232333132313331322331333133313331312313113313   >>      B33132212112331323223313211232333132313331322331333133313331312313113312   >>