B3311331313231311331322331333132333133313223331211331313331311331121   >>    B331133131323131133132233133313233313331322333121133131333131133112   <<    B3311331313231311331322331333132333133313223331211331313331311331123   >>      B3311331313231311331322331333132333133313223331211331313331311331122   >>