25  100 .  . .
25 
 -25   //. 163   -16/ = 100 (1)
40 
 -40 //. 163   -16/ = 650 . (4)
 -40 //. 16 9  -25/ = 1200 .(18)
50 
 -50  1921   = 290 .  (10)
65
 -65 ,  166  -10/ = 700 .(3)
 -65  .  166   -16/ 700 .(2)
 -65 .   16 9  -25/ = 1800 .(8)
80
 -80  1921   = 320 .  (9)
 -80   1642 = 1200 . (7)
100 
  -100 - 25 945    =17000 .
(1)
................
      . : +7 985  516   79 -56
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