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
13600
13599
13598
13597
13596
13595
13594
13593
13592
13591
13590
13589
13588
13587
13586
13585
13584
13583
13582
13581
13580