Y \ X
960
961
962
963
964
965
966
967
968
969
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
15720
15719
15718
15717
15716
15715
15714
15713
15712
15711
15710
15709
15708
15707
15706
15705
15704
15703
15702
15701
15700