1971
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4 1 --- 1 --- 1 --- 1 --- 1,2 --- 1 1
5 1 --- 1 1 --- --- 1 --- --- 1 1 1
6 1 1 1 --- --- --- 1 --- --- 1 1 ---
7 1 1 1 1 1 1,2 --- 1 --- --- 1 ---
8 1 1 1 1 1 1 1 --- --- 1,2 1 1
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11 1 1 --- --- 1 1 1,2 --- --- 1 1 1,2
12 1 --- 1,2 --- 1 --- --- --- --- 1 1 1
13 --- 1 1 --- 1 1 --- --- 1 1 --- ---
14 1 1 1 1 --- 1 1 --- 1 1 1,2 1
15 --- --- --- 1 --- --- --- --- --- --- 1 ---
16 1 --- 1 --- 1 --- --- --- --- 1,2 1 ---
17 1 1 1,2 1 --- 1 1 --- --- 1 1 1
18 1 1 1 --- 1 1 --- --- --- 1 1 1
19 1 1 --- 1,2 --- 1 --- --- --- 1 1 1
20 --- --- --- 1 1 --- --- --- 1,2 --- 1 1
21 --- --- 1,2 1 1 1 --- 1 1 --- 1 1
22 1 --- 1 1 1 1 --- --- --- --- 1 1
23 1 1,2 1 --- --- 1 --- 1 1 1 1 1
24 1 1 --- 1 --- --- --- 1 --- --- 1 1
25 1 --- 1 1 1 1,2 --- 1 --- 1,2 1 1
26 1 1 --- 1 1 --- --- --- --- --- --- 1,2
27 --- --- 1 --- --- --- --- --- --- 1,2 --- ---
28 1 1 1 --- --- --- 1 --- --- 1 1 1
29 1   --- 1 --- 1 1 --- --- 1 --- 1
30 1   1 --- --- --- --- 1 1 1 1 ---
31 1   ---   1   1 ---   1   1