D1122112312233231312323132322331323223313331323231323132313113111   >>    D112211231223323131232313232233132322331333132323132313231311311   <<    D1122112312233231312323132322331323223313331323231323132313113113   >>      D1122112312233231312323132322331323223313331323231323132313113112   >>