D233313231211211331323223313112113313231323221311331323131323221221   >>    D23331323121121133132322331311211331323132322131133132313132322122   <<    D233313231211211331323223313112113313231323221311331323131323221223   >>      D233313231211211331323223313112113313231323221311331323131323221222   >>