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
11210
11209
11208
11207
11206
11205
11204
11203
11202
11201
11200
11199
11198
11197
11196
11195
11194
11193
11192
11191
11190