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
12850
12849
12848
12847
12846
12845
12844
12843
12842
12841
12840
12839
12838
12837
12836
12835
12834
12833
12832
12831
12830