R_i

R (R_i)

S (R_i)

R (R_i) ∩ S (Ri)

Level

R₁

1, 3, 11

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

1

R₂

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13

2, 9, 10, 12, 13

2, 9, 10, 12, 13

R₃

3

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13

3

I

R₄

3, 4, 11

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

4

R₅

3, 5, 11

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

5

R₆

3, 4, 5, 6, 11

2, 6, 9, 10, 12, 13

6

R₇

1, 3, 7, 11

2, 7, 9, 10, 12, 13

7

R₈

1, 3, 8, 11

2, 8, 9, 10, 12, 13

8

R₉

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13

2, 9, 10, 12, 13

2, 9, 10, 12, 13

R₁₀

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13

2, 9, 10, 12, 13

2, 9, 10, 12, 13

R₁₁

11

1, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13

11

I

R₁₂

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13

2, 9, 10, 12, 13

2, 9, 10, 12, 13

R₁₃

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13

2, 9, 10, 12, 13

2, 9, 10, 12, 13