B3311331313231311331322331333132313231323331311233132322331311331323221321   >>    B331133131323131133132233133313231323132333131123313232233131133132322132   <<    B3311331313231311331322331333132313231323331311233132322331311331323221323   >>      B3311331313231311331322331333132313231323331311233132322331311331323221322   >>