D233313133313221323132322331311211331323331333132313331311331323223221   >>    D23331313331322132313232233131121133132333133313231333131133132322322   <<    D233313133313221323132322331311211331323331333132313331311331323223223   >>      D233313133313221323132322331311211331323331333132313331311331323223222   >>