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
9590
9589
9588
9587
9586
9585
9584
9583
9582
9581
9580
9579
9578
9577
9576
9575
9574
9573
9572
9571
9570