D1122112312233231312323132322331323223313331323233231323132312311   >>    D112211231223323131232313232233132322331333132323323132313231231   <<    D1122112312233231312323132322331323223313331323233231323132312313   >>      D1122112312233231312323132322331323223313331323233231323132312312   >>