Y \ X
4440
4441
4442
4443
4444
4445
4446
4447
4448
4449
4450
4451
4452
4453
4454
4455
4456
4457
4458
4459
4460
4461
4462
4463
4464
4465
4466
4467
4468
4469
4470
4471
4472
4473
4474
4475
4476
4477
4478
4479
4480
10460
10459
10458
10457
10456
10455
10454
10453
10452
10451
10450
10449
10448
10447
10446
10445
10444
10443
10442
10441
10440