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
7800
7799
7798
7797
7796
7795
7794
7793
7792
7791
7790
7789
7788
7787
7786
7785
7784
7783
7782
7781
7780