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
10630
10629
10628
10627
10626
10625
10624
10623
10622
10621
10620
10619
10618
10617
10616
10615
10614
10613
10612
10611
10610