D233313231211211331323223313112113313233313232222331323331123231   >>    D23331323121121133132322331311211331323331323222233132333112323   <<    D233313231211211331323223313112113313233313232222331323331123233   >>      D233313231211211331323223313112113313233313232222331323331123232   >>