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
2310
2309
2308
2307
2306
2305
2304
2303
2302
2301
2300
2299
2298
2297
2296
2295
2294
2293
2292
2291
2290