D233313231211211331323223313112113313233313232213132313232213231   >>    D23331323121121133132322331311211331323331323221313231323221323   <<    D233313231211211331323223313112113313233313232213132313232213233   >>      D233313231211211331323223313112113313233313232213132313232213232   >>