Y \ X
970
971
972
973
974
975
976
977
978
979
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
10550
10549
10548
10547
10546
10545
10544
10543
10542
10541
10540
10539
10538
10537
10536
10535
10534
10533
10532
10531
10530