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
4250
4249
4248
4247
4246
4245
4244
4243
4242
4241
4240
4239
4238
4237
4236
4235
4234
4233
4232
4231
4230