B3311331313231311331322331333132313231323331333131133133313221131131   >>    B331133131323131133132233133313231323132333133313113313331322113113   <<    B3311331313231311331322331333132313231323331333131133133313221131133   >>      B3311331313231311331322331333132313231323331333131133133313221131132   >>