-----------------------
-4

-3

-10

                                     -9

                                     -8

                                     -7

                                     -6

                                     -5

                                     -4

                                     -1

                                     -2

                                     -3

-1

-2

                                    -9

                                    -8

                                    -4

                                    -1

                                    -13

                                    -10

                                    -11

                                    -12

                                    -6

                                    -7

                                    -3

                                    -4

                                    -2

                                    -1

                                    -3

                                    -4

                                    -2

                                    -1

                                    -2

                                     -6

                                    -3

                                    -4

                                     -6

                                    - 80

                                     -6

                                    -2

                                    -1

                                    - 80

                                    -1

                                     -6

                                     -4

                                    -2

                                    -3

                                    -4

                                     -5

                                     -6

                                     -3

                                     -2

                                     -1

                                    -13

                                    -5

                                    -11

                                    -12

                                    -1

                                    -3

                                    -2

                                    -4

                                      I

                                     II

                                    -3

   ""

   ""   "2"

   ""

  

    .8.       ()

  




" "