D233313133313221323132322331311211331323132313331323132313232212111   >>    D23331313331322132313232233131121133132313231333132313231323221211   <<    D233313133313221323132322331311211331323132313331323132313232212113   >>      D233313133313221323132322331311211331323132313331323132313232212112   >>