8,999 -9,001

8,999 -9,001

8,999 -1

1 -1

18,000 +8,100

18,000 +8,100

9,000 -900

2 +1

9,900

9,900

9,900

1

9,900 -8,100

9,900 -8,100

9,900 +900

1 -1

18,000

18,000

9,000

2