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Even = ÷2 Odd = +1, 73 (74), 47 (48), 85 (86), 54 (27) - Coggle Diagram
Even = ÷2
Odd = +1
73
74
37
38
19
20
10
5
6
3
1 more item...
47
48
24
12
85
86
43
44
22
11
54
27
28
14
7
8