.
   -4
-4

...

31500
 -150 ( )
-150 ( )

...

1400
 -500 (  )
-500 ( )

...

3300
 -250 (  )
-250 ( )

...

4100
 -800 (  )
-800 ( )

...

12100
 -125 (  )
-125 ( )

...

1300