Y \ X
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
11540
11539
11538
11537
11536
11535
11534
11533
11532
11531
11530
11529
11528
11527
11526
11525
11524
11523
11522
11521
11520