B3311331313231311331322331333132313331323131323223313232211233131121131   >>    B331133131323131133132233133313231333132313132322331323221123313112113   <<    B3311331313231311331322331333132313331323131323223313232211233131121133   >>      B3311331313231311331322331333132313331323131323223313232211233131121132   >>