B3311331313231311331322331333132313232233132313133313331311331313331323132111   >>    B331133131323131133132233133313231323223313231313331333131133131333132313211   <<    B3311331313231311331322331333132313232233132313133313331311331313331323132113   >>      B3311331313231311331322331333132313232233132313133313331311331313331323132112   >>