B3311331313231311331322331333132333131333131333133313231323132322132231   >>    B331133131323131133132233133313233313133313133313331323132313232213223   <<    B3311331313231311331322331333132333131333131333133313231323132322132233   >>      B3311331313231311331322331333132333131333131333133313231323132322132232   >>