D233313231211211331323223313112113313233313232222331323233123231   >>    D23331323121121133132322331311211331323331323222233132323312323   <<    D233313231211211331323223313112113313233313232222331323233123233   >>      D233313231211211331323223313112113313233313232222331323233123232   >>