D233313133313221323132322331311211331323132313331323133313232233131231   >>    D23331313331322132313232233131121133132313231333132313331323223313123   <<    D233313133313221323132322331311211331323132313331323133313232233131233   >>      D233313133313221323132322331311211331323132313331323133313232233131232   >>