0	2	1
1	2	3
2	2	5
3	2	7
4	2	9
5	2	11
6	2	13
7	2	15
8	2	17
9	2	19

0	500000	499999
0	2	1
1	2	3
2	2	5
3	2	7
4	2	9
5	2	11
6	2	13
7	2	15
8	2	17
9	2	19

0	500000	499999
0	2	1
1	2	3
2	2	5
3	2	7
4	2	9
5	2	11
6	2	13
7	2	15
8	2	17
9	2	19

0	200002	200001
0	2	1
1	2	3
2	2	5
3	2	7
4	2	9
5	2	11
6	2	13
7	2	15
8	2	17
9	2	19

0	500000	499999