B33113313132313113313223313331323131333131133131133132322331323132313221121231   >>    B3311331313231311331322331333132313133313113313113313232233132313231322112123   <<    B33113313132313113313223313331323131333131133131133132322331323132313221121233   >>      B33113313132313113313223313331323131333131133131133132322331323132313221121232   >>