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
13750
13749
13748
13747
13746
13745
13744
13743
13742
13741
13740
13739
13738
13737
13736
13735
13734
13733
13732
13731
13730