6
7
8
9
10
11
12
13
14
15
20
30
40
50
60
80
90
100
1000
10000
20000
30000
100000
200000
999997
999996
999995
999994
999993
999992
999991
999990
999919
999918
199299
313123
123145
123144
145132
882381
999998
999999
1000000
1000001
1000002
1000003
1000004
1000005
1000006
1000007
1000008
1000009
1000010
0