-  "N" ()
- "N" () "P" ()

      -  "D" (1-
- "D" (1- )

      -  "D" (2-
- "D" (2- )

      -  "D" (3-
- "D" (3- )

      -  "D" (4-
- "D" (4- )

      -  "R" (
- "R" ( )


      1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. ...


      F E 50 . , ...


      :        ...