D233313231211211331323223313112113313233313232223132313232213221   >>    D23331323121121133132322331311211331323331323222313231323221322   <<    D233313231211211331323223313112113313233313232223132313232213223   >>      D233313231211211331323223313112113313233313232223132313232213222   >>