Y \ X
9900
9901
9902
9903
9904
9905
9906
9907
9908
9909
9910
9911
9912
9913
9914
9915
9916
9917
9918
9919
9920
9921
9922
9923
9924
9925
9926
9927
9928
9929
9930
9931
9932
9933
9934
9935
9936
9937
9938
9939
9940
7010
7009
7008
7007
7006
7005
7004
7003
7002
7001
7000
6999
6998
6997
6996
6995
6994
6993
6992
6991
6990