Jump to exercise:
Count Backward by Twos
26, , ,
87, ,
65, , ,
49, , , ,
17, , , ,
62, , ,
42, ,
81, ,
75, , , ,
78, , , ,
32, ,
97, , ,
55, ,
23, ,
50, , ,
7, ,
31, , ,
12, ,
92, , ,
37, ,
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Excellent
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