D233313231211211331323223313112113313233313232222331323231323311   >>    D23331323121121133132322331311211331323331323222233132323132331   <<    D233313231211211331323223313112113313233313232222331323231323313   >>      D233313231211211331323223313112113313233313232222331323231323312   >>