v

t v , enter

t v , leave

v

t v , enter

t v , leave

1

180

255

8

45

210

2

180

240

9

240

375

3

60

405

10

330

420

4

180

435

11

270

330

5

0

210

12

90

180

6

150

225

13

75

150

7

60

240

14

105

165