Y \ X
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
4068
4069
4070
4071
4072
4073
4074
4075
4076
4077
4078
4079
4080
2680
2679
2678
2677
2676
2675
2674
2673
2672
2671
2670
2669
2668
2667
2666
2665
2664
2663
2662
2661
2660