D233313231211211331323223313112113313231323221311331323133313231323221121   >>    D23331323121121133132322331311211331323132322131133132313331323132322112   <<    D233313231211211331323223313112113313231323221311331323133313231323221123   >>      D233313231211211331323223313112113313231323221311331323133313231323221122   >>