:


 :    900
:   :84 .
1


900
 :    900   7
:   :84 .
1


900 7
 :    900
:   :84 .
1


900     
 :     1
:   :56 .
1


1                 
 :    900
:   :83 .
1


900                                                                                                                         
 :    900
:   :84 .
1


900
 :    500
:   :252 .
1


500
 :     500  5
:   :145 .
1


500 5         
 :    450  3
:   :89 .
1


450 3            
 :     500
:   :279 .
1


500                                                                                                                         
 :    450
:   :89 .
1


450
 :     500   12
:   :119 .
1


500 12                                                                                                                        
 :    450  98
:   :89 .
1


450 98
 :    1
:   :94 .
1


1
 :      300
:   :113 .
1


300                                                                                                                         
: