D233313133313221323132322331311211331323331333132313331311212121   >>    D23331313331322132313232233131121133132333133313231333131121212   <<    D233313133313221323132322331311211331323331333132313331311212123   >>      D233313133313221323132322331311211331323331333132313331311212122   >>