Y \ X
4460
4461
4462
4463
4464
4465
4466
4467
4468
4469
4470
4471
4472
4473
4474
4475
4476
4477
4478
4479
4480
4481
4482
4483
4484
4485
4486
4487
4488
4489
4490
4491
4492
4493
4494
4495
4496
4497
4498
4499
4500
2580
2579
2578
2577
2576
2575
2574
2573
2572
2571
2570
2569
2568
2567
2566
2565
2564
2563
2562
2561
2560