11
25 1
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25 1
0 19
1000000000 1
0 999999999
999999999 1
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1000000000 1
0 1000000000
1000000000 1
0 16777219
989855921 1
0 16777219
989855921 1
16777218 16777219
989855922 1
0 16777219
1000000000 1
999000 999001
27 14
0 10
1 10
2 10
7 10
8 10
9 10
0 12
2 13
2 19
3 18
5 21
7 14
8 13
9 12