0.20  250.
 0.22  500.
 0.15  750.
 0.04 1000.
-0.04 1250.
-0.08 1500.
-0.12 1750.
-0.15 2000.
-0.18 2250.
-0.23 2500.
-0.23 2750.
-0.26 3000.
-0.23 3250.
-0.23 3500.
-0.23 3750.
-0.21 4000.
-0.23 4250.
-0.23 4500.
-0.21 4600.
-0.21 4700.
-0.20 4800.
-0.20 4900.
-0.21 5000.
-0.21 5100.
-0.16 5200.
-0.16 5300.
-0.16 5320.