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
13080
13079
13078
13077
13076
13075
13074
13073
13072
13071
13070
13069
13068
13067
13066
13065
13064
13063
13062
13061
13060