507
1
0
507
0
1
507
1
0
506
0
2
506
0
1
506
1
0
506
0
1
506
0
1
505
0
1
505
0
1
504
1
0
504
0
2
503
1
0
503
1
0
502
0
2
501
1
0
501
0
2
501
0
1
500
2
0
499
1
0
499
0
1
499
0
1
498
0
1
498
0
1
498
0
2
497
0
1
497
0
1
497
0
1
495
0
1
495
0
1
495
0
1
494
0
2
494
0
1
494
0
1
494
1
0
494
0
1
494
0
1
494
0
1
493
0
1
493
0
1
492
0
1
492
0
1
490
0
1
490
1
0
489
0
1
489
0
1
489
0
1
488
0
1