D112211231223323131232313232233131133132313231133132322331311212131   >>    D11221123122332313123231323223313113313231323113313232233131121213   <<    D112211231223323131232313232233131133132313231133132322331311212133   >>      D112211231223323131232313232233131133132313231133132322331311212132   >>