D13231212111133131323123231323223313233313232222331323133313232322131   >>    D1323121211113313132312323132322331323331323222233132313331323232213   <<    D13231212111133131323123231323223313233313232222331323133313232322133   >>      D13231212111133131323123231323223313233313232222331323133313232322132   >>