Y \ X
960
961
962
963
964
965
966
967
968
969
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
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80