R_i

R (R_i)

S (R_i)

R (R_i) ∩ S (R_i)

Level

R₁

1

1, 2, 7, 8, 9, 10, 12, 13

1

II

R₂

1, 2, 4, 5, 6, 7, 8, 9, 10, 12, 13

2, 9, 10, 12, 13

2, 9, 10, 12, 13

R₄

4

2, 4, 6, 9, 10, 12, 13

4

II

R₅

5

2, 5, 6, 9, 10, 12, 13

5

II

R₆

4, 5, 6

2, 6, 9, 10, 12, 13

6

R₇

1, 7

2, 7, 9, 10, 12, 13

7

R₈

1, 8

2, 8, 9, 10, 12, 13

8

R₉

1, 2, 4, 5, 6, 7, 8, 9, 10, 12, 13

2, 9, 10, 12, 13

2, 9, 10, 12, 13

R₁₀

1, 2, 4, 5, 6, 7, 8, 9, 10, 12, 13

2, 9, 10, 12, 13

2, 9, 10, 12, 13

R₁₂

1, 2, 4, 5, 6, 7, 8, 9, 10, 12, 13

2, 9, 10, 12, 13

2, 9, 10, 12, 13

R₁₃

1, 2, 4, 5, 6, 7, 8, 9, 10, 12, 13

2, 9, 10, 12, 13

2, 9, 10, 12, 13