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
10650
10649
10648
10647
10646
10645
10644
10643
10642
10641
10640
10639
10638
10637
10636
10635
10634
10633
10632
10631
10630