Y \ X
11980
11981
11982
11983
11984
11985
11986
11987
11988
11989
11990
11991
11992
11993
11994
11995
11996
11997
11998
11999
12000
12001
12002
12003
12004
12005
12006
12007
12008
12009
12010
12011
12012
12013
12014
12015
12016
12017
12018
12019
12020
4470
4469
4468
4467
4466
4465
4464
4463
4462
4461
4460
4459
4458
4457
4456
4455
4454
4453
4452
4451
4450