R(Si)

Q(Si)

R(Si)∩Q(Si)

S1

1, 4, 6, 8, 10

1, 2

1

S2

2, 3, 6, 8, 10

2

2

S3

3, 6, 8, 10

2, 3

3

S4

4, 6, 8, 10

1, 4

4

S5

5, 6, 8, 10

5

5

S6

6, 8, 10

1, 2, 3, 4, 5, 6

6

S7

7, 9, 10

7

7

S8

8

1, 2, 3, 4, 5, 6, 8

8

S9

9, 10

7, 9

9

S10

10

1, 2, 3, 4, 5, 6, 7, 9, 10

10