30, 40, ____, 60
50
50, 60, 70, ___, 90
80
60, 70, ____, 90
80
20, 30, 40, ____
50
10, 20, 30 .______
40
50, 60, ____, 80
70
40, 50, 60, ____
70
40, 50, 60, _____
70
10, 20, 30, 40, ___
50
10, ____, 30, 40
20
65, 75, 85,..........
95
20, 30, 40, 50, 60, ___
70
0, 10, ___, 30, 40
20