D13231212111133131323123231323223313233313232222331313232211331   >>    D1323121211113313132312323132322331323331323222233131323221133   <<    D13231212111133131323123231323223313233313232222331313232211333   >>      D13231212111133131323123231323223313233313232222331313232211332   >>