D233313231211211331323223313112113313231323221311331323133313232212131   >>    D23331323121121133132322331311211331323132322131133132313331323221213   <<    D233313231211211331323223313112113313231323221311331323133313232212133   >>      D233313231211211331323223313112113313231323221311331323133313232212132   >>