D1122112312233231312323132322331323223313331323231323132313231311   >>    D112211231223323131232313232233132322331333132323132313231323131   <<    D1122112312233231312323132322331323223313331323231323132313231313   >>      D1122112312233231312323132322331323223313331323231323132313231312   >>