D112211231223323131232313232233131133132313231133132322331323131323111   >>    D11221123122332313123231323223313113313231323113313232233132313132311   <<    D112211231223323131232313232233131133132313231133132322331323131323113   >>      D112211231223323131232313232233131133132313231133132322331323131323112   >>