t = 0

C1

0

0

0

t = 0.5

C1

0

0

0

t = 1

C1

0

0

0

t = 1.5

C4

C2

0

0

t = 2

C4

C2

C3

0

t = 2.5

C4

C2

C3

0

t = 3

C7

C5

C3

0

t = 3.5

C7

C5

0

0

t = 4

C7

C5

0

0

t = 4.5

0

C8

C6

0

t = 5

0

C8

C6

0

t = 5.5

0

C8

C6

0