23
0 0
0 1
1 1
1 0
158452 485
526384523 950548
526384523 638507
526384523 638508
526384523 638506
4752 95
4752 12
50872 987
50872 213
9999999 999999
25 8
7482653 5471
854712 35
483119 82416
7484 11983
11983 7484
77 66
8675309 1800
2600 1337