x i 4

x i 3

x i 2

x i 1

x i

x i + 1

x i + 2

x i + 3

x i + 4

0

2520/h5

−10,080/h5

12,600/h5

0

−12,600/h5

10,080/h5

−2520/h5

0

0

5040/h6

−30,240/h6

75,600/h6

−100,800/h6

75,600/h6

−30,240/h6

5040/h6

0