D233313231211211331323223313112113313233313232222331323221121111   >>    D23331323121121133132322331311211331323331323222233132322112111   <<    D233313231211211331323223313112113313233313232222331323221121113   >>      D233313231211211331323223313112113313233313232222331323221121112   >>