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
13230
13229
13228
13227
13226
13225
13224
13223
13222
13221
13220
13219
13218
13217
13216
13215
13214
13213
13212
13211
13210