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
11720
11719
11718
11717
11716
11715
11714
11713
11712
11711
11710
11709
11708
11707
11706
11705
11704
11703
11702
11701
11700