可达集合R

先行集合Q

交集A = R∩Q

层级

Q1

1

1

1

1

Q2

2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

2

2

3

Q3

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

1

Q4

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

1

Q5

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

1

Q6

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

1

Q7

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

1

Q8

3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

2, 8

8

2

Q9

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

1

Q10

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

1

Q11

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

1

Q12

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

1

Q13

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

1

Q14

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14

1