B3311331313231311331322331333132333133313221133132313331311331121   >>    B331133131323131133132233133313233313331322113313231333131133112   <<    B3311331313231311331322331333132333133313221133132313331311331123   >>      B3311331313231311331322331333132333133313221133132313331311331122   >>