Y \ X
12000
12001
12002
12003
12004
12005
12006
12007
12008
12009
12010
12011
12012
12013
12014
12015
12016
12017
12018
12019
12020
12021
12022
12023
12024
12025
12026
12027
12028
12029
12030
12031
12032
12033
12034
12035
12036
12037
12038
12039
12040
2960
2959
2958
2957
2956
2955
2954
2953
2952
2951
2950
2949
2948
2947
2946
2945
2944
2943
2942
2941
2940