Jump to exercise:
Count Backward by Sevens
23, ,
89, ,
55, , , ,
74, , , ,
50, , ,
86, ,
65, , , ,
38, , ,
80, , , ,
71, ,
56, ,
92, ,
28, ,
32, , ,
90, ,
22, ,
95, ,
68, , ,
91, ,
40, , ,
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