B3311331313231311331322331333132313232233132313133313231323132313331313322131   >>    B331133131323131133132233133313231323223313231313331323132313231333131332213   <<    B3311331313231311331322331333132313232233132313133313231323132313331313322133   >>      B3311331313231311331322331333132313232233132313133313231323132313331313322132   >>