2024 Christmas Holidays Sudoku Pack

2024 Christmas Pack - 250 Sudokus for Your Holidays


1
7
1
2
9
3
6
7
8
4
9
4
6
7
1
5
3
4
9
1
6
6
5
4
9
1
3
8
7
3
6
9
5
very easy
2
1
6
2
8
3
9
2
3
6
7
5
7
4
5
2
9
4
7
3
4
8
6
2
7
1
7
5
8
3
9
very easy
3
1
4
8
7
1
5
9
5
4
2
8
7
6
3
1
5
9
3
1
4
4
8
2
1
5
8
2
5
1
6
very easy
4
2
1
3
4
9
7
2
1
7
6
9
8
6
4
1
2
8
7
4
5
1
8
4
7
3
8
6
9
6
7
1
very easy
5
8
2
3
8
3
4
1
7
6
4
7
3
6
9
2
3
7
6
7
9
5
5
1
8
5
4
7
3
1
6
very easy
6
3
9
8
5
1
6
9
6
3
7
1
8
2
2
4
5
3
4
2
6
8
7
5
6
5
9
8
9
2
7
very easy
7
1
5
1
2
9
5
6
1
7
3
4
6
7
9
3
7
4
6
5
2
3
3
8
1
6
7
9
4
6
8
very easy
8
6
7
3
4
3
8
6
9
1
1
4
3
3
6
7
9
5
6
9
1
6
7
9
7
9
2
3
5
6
4
3
8
very easy
9
6
8
9
2
5
3
5
2
1
5
8
9
7
4
1
6
9
8
6
3
2
7
4
2
1
7
2
6
9
4
very easy
10
4
3
6
1
5
7
5
3
9
3
5
8
2
1
9
7
4
3
3
8
9
8
4
5
1
8
7
6
5
2
very easy
11
5
2
7
5
1
3
1
9
7
4
5
9
7
4
3
9
6
6
4
2
5
4
8
2
9
2
6
8
8
6
7
very easy
12
6
2
5
1
4
1
5
9
4
7
9
4
1
8
7
4
3
7
9
4
2
5
1
7
1
5
1
8
2
9
very easy
13
8
6
4
5
3
2
4
1
7
5
3
7
5
2
4
3
1
8
7
8
4
4
6
9
1
5
7
1
2
5
6
7
very easy
14
7
5
7
1
3
1
4
3
8
9
4
2
9
5
1
2
6
4
7
9
4
2
5
3
8
5
8
7
9
5
very easy
15
7
1
6
4
8
9
8
5
6
9
7
1
2
9
4
2
5
1
8
7
6
1
9
1
5
3
3
9
4
7
5
very easy
16
4
3
2
1
6
3
4
7
4
6
3
1
2
5
6
9
5
7
2
4
3
7
1
8
5
4
2
3
4
5
1
7
2
6
very easy
17
6
9
8
4
2
3
2
3
7
4
1
4
8
7
2
6
4
1
8
2
4
9
6
4
1
2
4
7
5
8
1
6
very easy
18
4
9
5
6
1
5
3
7
6
1
2
3
6
5
4
2
9
3
8
7
5
1
3
5
6
4
8
9
7
3
very easy
19
1
7
8
9
5
4
6
3
8
3
5
9
5
3
9
7
2
5
1
8
3
9
7
5
9
6
1
2
1
7
very easy
20
6
3
7
2
7
6
4
4
1
2
7
1
9
9
8
4
1
3
5
2
3
1
5
8
4
7
1
2
9
3
very easy
21
7
9
4
2
5
5
6
9
3
3
8
7
6
4
8
6
2
7
4
3
5
8
7
5
7
6
9
8
2
1
5
4
very easy
22
7
1
7
9
2
8
4
9
1
2
5
9
6
4
9
7
8
1
5
3
5
1
2
7
7
6
1
6
2
9
5
1
very easy
23
3
9
1
7
5
6
4
1
8
2
5
8
6
1
2
7
3
7
8
4
5
7
1
2
7
3
9
1
5
7
very easy
24
9
2
3
8
4
3
5
6
1
2
9
3
8
3
9
4
7
6
1
4
3
3
1
7
8
9
6
5
7
8
very easy
25
7
8
4
3
4
8
9
3
7
3
5
1
8
5
4
8
9
8
1
2
7
3
1
6
1
6
2
5
2
7
very easy
26
2
3
8
5
1
9
8
6
9
7
4
5
7
1
4
5
7
9
3
1
1
3
5
2
8
7
5
3
4
2
very easy
27
7
9
5
2
3
7
4
5
1
3
8
9
6
5
2
7
1
5
1
2
9
6
2
1
5
7
1
8
4
8
2
very easy
28
2
1
6
9
7
9
4
8
3
8
4
5
1
6
4
7
5
6
4
3
6
8
2
4
7
4
3
8
8
2
5
3
very easy
29
7
3
2
7
3
9
4
2
7
5
8
1
9
7
5
1
2
4
3
7
5
3
4
6
9
1
9
8
4
7
very easy
30
3
9
1
2
6
2
8
4
6
1
5
9
6
8
2
9
3
5
2
1
8
2
5
1
7
8
2
7
9
1
very easy
31
2
9
6
3
9
7
2
8
7
6
7
3
5
8
5
2
1
9
9
4
2
7
5
4
2
5
2
9
8
8
3
7
very easy
32
7
2
5
4
7
8
5
2
8
7
8
2
5
6
1
3
2
7
6
8
4
2
4
1
6
4
8
5
9
4
very easy
33
6
3
4
9
6
3
1
3
6
9
4
1
8
3
6
2
9
2
1
3
7
3
7
9
4
2
7
2
1
8
very easy
34
1
6
2
8
9
3
4
5
6
3
5
1
7
2
1
4
6
8
9
4
2
7
3
3
4
5
7
1
1
6
4
5
very easy
35
4
6
7
1
5
5
8
4
9
4
6
2
9
8
5
5
1
4
9
8
6
7
6
3
8
8
5
9
5
4
8
7
9
very easy
36
7
5
3
6
7
5
8
9
8
3
2
6
3
5
9
7
3
5
9
4
1
1
5
3
4
8
7
1
5
4
2
very easy
37
6
4
2
1
8
4
5
7
2
8
5
3
8
6
2
2
9
7
3
8
6
9
5
3
1
2
8
5
7
9
6
1
very easy
38
4
4
5
1
8
1
7
4
3
3
1
5
6
7
8
8
2
6
2
8
7
4
3
5
2
3
1
2
7
5
4
6
very easy
39
5
6
1
8
6
5
9
3
2
5
3
8
6
2
2
7
3
4
8
8
1
2
3
9
3
7
1
7
8
1
5
6
2
very easy
40
8
9
6
5
7
1
9
2
4
5
3
9
4
7
8
1
5
3
9
4
1
5
3
2
7
5
9
8
4
2
very easy
41
8
2
9
5
9
7
5
6
6
4
1
8
2
9
4
6
5
9
8
2
7
4
6
1
9
1
5
4
1
9
7
2
very easy
42
8
5
4
3
1
4
5
8
9
8
1
6
9
5
6
7
8
7
5
3
2
3
2
5
6
1
8
9
5
4
very easy
43
3
2
9
6
9
6
8
1
7
4
2
1
6
4
8
1
9
9
8
5
6
9
6
4
6
5
3
4
3
2
9
1
very easy
44
2
5
3
1
7
6
1
4
3
6
9
3
9
4
4
5
4
7
3
2
4
7
6
3
5
4
4
5
2
6
very easy
45
7
8
5
4
1
2
5
9
4
2
6
4
8
5
7
9
5
1
9
8
6
4
2
3
9
5
3
1
3
4
very easy
46
9
7
1
6
8
9
7
9
6
1
8
1
7
9
9
6
4
3
2
7
5
8
7
2
5
8
6
5
3
9
5
2
very easy
47
9
8
6
1
1
2
7
7
2
9
7
6
4
6
8
9
1
4
3
9
4
3
7
2
6
9
5
8
2
4
very easy
48
3
7
5
6
9
2
6
3
9
7
8
2
6
4
5
3
7
6
8
7
4
5
2
9
8
1
3
2
4
9
1
8
7
6
very easy
49
1
4
5
6
5
7
9
4
1
5
7
8
1
9
5
3
3
9
2
8
8
6
4
7
8
6
3
2
5
9
very easy
50
8
2
7
2
3
5
4
6
2
9
5
8
1
1
8
3
2
4
9
7
5
9
3
5
8
9
2
4
7
5
3
4
very easy
51
3
9
1
3
5
5
8
6
3
2
9
4
8
2
5
7
4
6
2
6
3
1
4
5
4
6
8
2
easy
52
8
1
7
5
8
9
5
8
6
1
1
4
6
1
4
5
7
7
9
4
7
9
1
6
8
6
4
3
2
easy
53
5
1
9
6
9
3
9
8
7
4
8
6
3
4
9
5
2
5
7
4
1
3
6
8
7
4
7
5
easy
54
8
1
8
5
7
5
6
7
3
4
5
8
6
7
2
1
2
9
7
4
2
5
9
3
6
4
1
4
easy
55
8
3
7
3
2
1
7
5
1
7
6
4
3
7
2
9
9
6
2
7
3
5
9
7
6
5
4
1
easy
56
7
3
2
8
1
8
4
6
6
4
8
9
3
3
4
8
2
4
6
1
1
2
6
4
5
1
2
7
easy
57
2
3
7
9
2
8
2
1
9
7
4
5
8
5
4
5
3
6
1
1
5
8
7
4
9
5
2
easy
58
2
3
7
2
1
4
1
6
2
3
4
9
5
3
1
8
6
8
7
9
9
8
2
4
9
2
easy
59
2
6
7
5
1
2
6
8
8
5
5
8
6
2
1
3
5
9
4
1
1
9
6
5
7
1
3
9
easy
60
4
6
1
8
2
3
7
9
1
4
3
8
5
6
3
1
3
7
9
6
2
1
2
5
easy
61
2
1
8
4
5
3
9
8
5
8
7
6
1
7
4
9
4
3
7
4
7
3
9
6
4
6
8
4
easy
62
7
1
7
8
2
5
3
1
4
7
9
4
2
8
5
2
2
1
5
8
4
8
6
7
4
7
9
3
6
7
easy
63
3
8
9
6
9
4
7
8
3
5
1
3
7
2
3
4
8
6
8
3
6
4
6
8
1
6
5
7
easy
64
6
8
1
1
6
7
6
5
7
3
9
6
4
1
3
9
5
7
2
7
9
3
2
4
3
5
4
easy
65
6
1
4
5
7
2
4
1
8
7
2
5
7
6
1
4
9
2
5
3
3
2
2
6
easy
66
5
3
4
8
6
5
5
8
8
5
9
3
4
6
5
7
7
2
5
8
1
5
9
3
3
7
6
5
easy
67
1
4
2
6
6
3
6
3
9
5
8
2
4
3
9
3
7
5
6
1
4
7
8
8
1
4
6
easy
68
2
6
8
2
3
9
4
7
3
8
9
1
7
8
6
5
8
7
1
7
5
4
8
9
9
6
7
5
2
easy
69
1
4
2
8
7
6
3
8
6
4
5
3
9
5
1
7
3
9
6
9
7
4
9
8
5
5
2
7
easy
70
9
5
8
4
7
8
1
5
8
4
6
6
4
2
9
7
5
3
9
2
5
1
5
4
8
8
6
9
2
easy
71
6
3
5
9
4
8
2
1
6
9
7
9
1
2
3
4
2
1
5
8
6
5
3
7
9
7
easy
72
2
9
8
5
4
7
9
1
1
6
1
3
7
2
8
9
7
4
1
8
9
5
2
8
3
2
easy
73
3
2
8
5
4
1
6
4
5
8
3
9
3
2
8
9
5
1
2
9
4
7
5
6
4
8
1
easy
74
3
9
5
7
1
6
1
8
2
7
1
5
5
2
3
1
1
7
9
1
4
3
4
2
7
1
8
5
easy
75
9
2
8
4
3
6
2
2
8
3
2
5
6
2
9
8
7
7
3
6
4
3
8
2
3
7
7
4
9
5
easy
76
9
4
1
6
5
5
8
9
3
2
4
3
6
3
4
8
5
3
9
5
2
4
9
1
7
9
6
8
4
easy
77
8
7
4
1
7
5
5
1
7
3
6
1
8
9
8
4
9
6
1
8
7
8
5
2
3
9
6
4
9
8
easy
78
2
4
4
7
2
5
6
8
1
3
7
7
5
8
9
1
8
7
1
3
8
9
9
3
easy
79
7
5
4
9
3
6
5
1
9
3
8
1
4
9
6
1
5
7
6
6
3
5
9
4
2
1
3
8
3
6
easy
80
3
8
4
5
5
7
2
4
8
3
7
9
6
2
3
1
1
6
6
4
2
5
7
2
6
4
1
easy
81
9
7
3
4
6
2
8
3
1
2
9
7
2
1
3
7
7
9
4
1
7
1
6
5
2
4
easy
82
2
8
9
5
3
3
8
5
7
9
6
8
4
3
9
8
7
6
1
8
7
1
4
7
6
5
2
4
easy
83
2
6
3
8
9
6
2
5
2
3
5
5
3
6
1
8
2
7
2
5
5
4
1
7
6
1
3
4
easy
84
3
6
2
5
8
5
2
4
1
7
5
8
4
1
6
2
4
7
9
7
5
4
1
9
4
1
easy
85
8
1
6
9
3
7
3
4
2
5
3
2
2
1
9
6
3
9
1
7
3
6
7
6
8
9
easy
86
3
4
4
2
8
3
1
9
4
8
6
8
7
8
1
7
2
3
6
2
7
3
5
1
6
2
4
6
easy
87
9
2
1
7
2
8
8
7
6
9
9
3
9
5
4
2
6
1
8
2
1
5
3
2
3
4
8
7
5
9
easy
88
8
7
4
1
9
6
5
7
9
6
7
5
3
9
7
6
4
6
4
2
9
7
8
5
1
8
2
6
easy
89
6
8
4
4
9
5
7
6
5
5
8
1
7
3
6
4
2
6
2
8
3
4
9
3
1
4
easy
90
7
3
1
6
1
4
2
6
7
2
3
8
1
4
6
2
2
5
9
6
5
3
9
2
6
3
5
9
easy
91
7
8
3
1
5
8
3
6
8
2
4
2
1
8
5
3
8
9
7
6
3
2
7
4
1
9
7
easy
92
1
9
3
2
1
7
5
8
7
4
9
1
2
9
3
4
1
8
3
5
7
4
8
4
5
7
easy
93
1
4
5
8
9
5
7
1
4
4
7
3
1
9
2
6
7
5
1
4
2
3
9
8
1
7
3
4
7
9
6
easy
94
8
7
4
1
7
9
3
4
4
1
8
3
3
6
4
2
1
8
8
9
6
7
8
2
7
6
5
2
9
6
easy
95
3
9
5
7
2
9
8
8
5
6
5
1
7
2
2
1
2
3
5
6
8
6
1
8
2
9
3
7
2
5
easy
96
3
6
1
8
1
3
7
3
7
4
3
4
3
6
7
9
8
2
8
4
2
1
9
5
7
1
9
3
easy
97
9
8
3
6
9
7
4
3
7
5
1
9
2
6
2
5
6
9
3
6
4
8
7
4
8
6
1
9
3
8
5
4
easy
98
9
5
6
1
8
3
2
4
1
2
7
8
9
7
3
1
6
7
4
8
8
6
7
2
5
9
8
3
easy
99
7
5
6
3
4
8
7
2
5
1
1
4
5
4
8
1
9
7
5
2
6
7
1
2
9
6
4
3
easy
100
5
2
6
5
7
4
2
5
8
4
3
1
5
8
8
4
3
1
2
5
7
7
2
6
4
5
3
2
8
1
easy
101
9
5
2
5
6
4
7
7
1
3
9
2
5
8
7
8
5
9
2
6
2
5
8
1
6
9
1
3
moderate
102
4
7
5
6
1
8
6
7
8
3
4
1
7
3
4
8
9
9
2
4
8
6
5
7
2
4
moderate
103
5
4
1
7
8
3
8
4
6
1
5
9
3
8
4
7
2
1
8
3
1
7
2
7
8
9
6
1
moderate
104
4
5
3
4
6
3
9
8
7
2
8
9
5
4
6
5
4
7
4
5
2
8
7
5
8
7
1
4
moderate
105
1
7
4
4
6
7
2
3
6
1
9
5
7
9
4
8
5
7
3
3
8
4
2
8
6
9
4
6
moderate
106
1
8
7
7
2
9
3
6
4
8
5
1
3
4
2
1
8
4
6
8
5
9
4
9
8
3
moderate
107
4
3
9
8
8
2
7
3
1
2
8
1
6
7
5
2
9
4
3
9
8
7
7
2
9
8
5
moderate
108
7
5
6
1
1
2
9
5
9
2
6
8
4
9
4
2
6
7
5
7
1
3
9
5
4
7
1
6
moderate
109
5
1
4
5
8
3
8
9
7
1
1
9
5
7
2
4
1
6
2
7
3
9
5
9
6
4
3
1
moderate
110
9
1
3
5
2
9
5
4
1
6
4
1
7
4
9
3
5
8
5
6
4
9
1
3
moderate
111
4
6
1
9
8
5
7
5
1
4
8
5
3
8
6
3
2
5
8
9
7
9
1
6
7
5
moderate
112
8
7
1
8
3
6
4
9
7
4
5
1
6
7
2
3
9
5
7
2
6
4
9
1
8
8
6
moderate
113
5
6
3
1
5
4
7
3
1
7
3
4
3
7
4
1
3
8
6
8
8
4
7
1
6
2
moderate
114
8
9
3
6
9
3
4
2
8
6
1
2
7
3
4
1
6
5
2
7
8
6
8
9
1
2
7
1
5
moderate
115
8
6
1
9
4
2
4
6
2
6
3
9
5
1
8
7
5
9
3
4
5
1
3
6
5
9
4
6
moderate
116
8
6
5
7
3
9
1
7
4
1
2
3
7
4
6
2
1
7
5
8
5
6
1
8
3
4
2
moderate
117
5
3
1
4
1
9
8
7
4
7
6
8
3
2
6
8
3
2
5
4
6
8
5
9
3
7
1
2
moderate
118
6
3
5
2
4
1
8
7
5
4
7
2
6
3
3
8
9
2
6
8
1
8
5
3
4
7
6
8
moderate
119
8
7
2
1
4
4
8
2
6
8
6
2
8
9
3
3
2
9
3
6
1
3
1
4
9
5
8
moderate
120
8
5
3
5
9
7
4
8
6
1
5
4
3
6
3
2
7
6
1
2
4
7
7
2
1
5
3
6
moderate
121
4
1
9
9
6
2
8
5
3
8
5
1
7
5
6
9
7
1
3
9
9
6
3
5
6
5
3
8
9
4
9
1
moderate
122
5
9
2
7
8
7
3
2
9
7
1
3
8
7
5
4
9
6
1
4
6
5
2
8
5
7
6
moderate
123
6
2
1
9
5
2
4
8
4
1
3
5
8
4
6
5
9
4
8
1
7
5
9
3
5
1
moderate
124
7
8
1
8
9
4
5
3
1
9
1
5
9
6
9
3
5
6
8
2
5
5
1
3
2
7
1
8
moderate
125
1
5
2
8
9
7
4
5
2
1
9
6
8
4
9
9
1
8
6
2
5
1
3
8
1
7
7
8
moderate
126
7
6
2
5
4
9
4
7
2
6
5
8
1
1
5
9
7
3
2
3
7
8
4
2
1
9
2
8
5
4
2
moderate
127
4
6
2
4
3
7
1
9
6
3
7
1
1
9
8
5
4
1
7
6
5
2
1
3
6
2
5
1
moderate
128
9
8
2
7
6
3
9
4
5
1
7
5
2
2
6
8
8
2
5
1
9
1
3
2
7
moderate
129
8
1
5
3
3
5
2
8
9
7
8
4
1
6
5
1
2
9
5
6
4
7
1
2
5
7
6
1
moderate
130
8
9
7
2
9
3
7
8
9
1
1
2
6
8
3
7
1
5
3
5
4
9
2
5
6
2
5
4
moderate
131
7
6
4
8
2
6
3
9
4
1
1
7
2
3
8
7
5
3
1
8
3
4
7
6
1
6
7
9
moderate
132
5
4
7
3
8
6
4
4
1
2
8
3
9
6
2
8
5
9
7
2
5
5
3
6
6
8
5
1
moderate
133
6
8
4
9
7
1
6
2
1
9
8
1
3
4
5
5
7
1
4
8
2
1
2
7
3
4
9
4
9
5
moderate
134
3
5
8
4
8
6
2
4
6
6
5
8
7
5
3
9
3
7
1
9
4
6
9
4
2
1
5
3
moderate
135
2
9
3
4
6
5
7
2
4
1
9
5
7
3
3
8
2
7
1
2
8
4
6
7
7
6
3
4
moderate
136
2
6
8
3
7
9
3
4
4
7
5
7
1
8
5
4
9
6
5
9
2
4
3
7
3
1
6
8
moderate
137
9
3
6
4
4
9
8
3
2
6
2
9
4
6
8
3
1
7
5
4
2
3
8
2
6
7
5
2
moderate
138
3
8
6
9
4
7
6
4
3
2
9
5
9
5
1
6
5
7
4
2
1
3
2
8
7
5
6
4
moderate
139
9
7
5
4
5
6
3
1
8
7
7
2
3
7
9
1
4
3
9
2
5
6
8
6
2
5
moderate
140
1
9
4
2
6
5
3
7
9
2
5
3
1
8
1
6
8
7
1
5
9
8
9
7
2
4
8
2
9
3
moderate
141
3
1
6
5
5
7
4
8
6
8
1
4
6
2
2
4
5
2
8
3
9
2
5
7
1
3
5
6
moderate
142
1
7
2
6
7
3
1
9
4
7
9
6
9
4
1
3
5
9
3
4
9
5
1
4
6
5
moderate
143
4
8
7
2
5
3
6
5
9
6
2
1
8
4
2
7
9
6
1
3
9
5
7
2
1
8
6
moderate
144
8
6
1
6
9
4
5
3
9
1
5
4
5
7
8
9
3
7
8
2
6
7
5
6
4
1
9
8
moderate
145
2
3
5
4
9
9
4
3
4
8
6
1
7
5
1
9
6
7
4
7
3
3
1
9
7
6
moderate
146
8
2
5
9
5
9
7
6
8
2
1
8
5
4
3
3
2
1
8
4
9
4
2
5
7
3
8
5
9
2
moderate
147
3
7
8
6
5
2
6
9
4
1
9
8
7
4
7
4
1
5
3
6
7
8
9
5
2
4
moderate
148
7
8
9
4
6
9
2
7
6
1
2
3
5
8
1
1
7
3
2
9
8
3
4
1
3
8
2
moderate
149
1
3
5
9
7
1
3
9
9
3
1
5
2
5
8
6
7
3
8
5
2
9
9
6
3
7
9
1
8
7
moderate
150
6
9
5
3
2
3
7
4
2
6
8
7
4
8
6
7
9
1
1
4
9
7
3
1
5
4
moderate
151
2
1
7
8
3
9
4
3
7
1
5
6
6
5
3
9
6
8
2
9
1
5
9
3
7
4
difficult
152
3
2
6
9
5
1
9
5
7
6
9
2
1
1
4
2
3
5
6
8
7
9
1
4
3
1
6
7
difficult
153
8
7
6
3
9
9
8
2
8
9
6
9
1
5
3
3
6
5
3
5
7
8
1
3
7
4
difficult
154
3
2
1
4
7
1
8
6
5
7
8
9
6
2
2
8
4
1
3
1
9
3
4
2
4
1
8
7
difficult
155
8
3
1
6
2
4
5
8
2
3
9
7
9
8
2
1
6
9
5
4
6
2
5
9
8
5
4
difficult
156
4
1
2
9
8
3
4
5
4
1
5
9
8
2
5
3
8
2
9
9
1
6
2
7
9
1
3
5
difficult
157
9
2
4
7
5
3
9
2
8
5
3
6
5
8
7
2
3
2
1
8
3
4
3
2
7
9
1
4
difficult
158
3
1
7
9
3
9
2
1
6
7
6
2
6
9
7
4
5
3
2
4
8
3
7
6
1
4
9
8
7
7
difficult
159
5
4
1
8
6
7
5
1
5
7
8
9
4
3
5
7
1
6
9
7
5
9
2
8
4
7
9
difficult
160
8
4
6
1
3
9
7
8
8
7
1
8
4
5
7
9
6
1
2
3
8
9
7
3
6
5
1
9
difficult
161
4
6
8
2
5
6
5
1
5
6
3
9
2
8
8
3
8
2
9
7
4
3
7
8
difficult
162
2
4
1
7
3
8
1
1
9
4
6
5
1
5
6
8
9
8
4
2
9
7
3
7
8
9
difficult
163
5
2
2
3
5
8
3
4
9
8
4
7
7
1
8
4
3
6
8
9
4
9
5
7
2
8
8
2
difficult
164
5
7
1
3
7
3
4
6
8
5
9
1
1
6
2
4
4
3
2
4
3
8
7
6
5
4
6
1
difficult
165
3
1
2
4
7
2
9
6
8
4
3
3
2
6
4
1
9
8
2
9
5
4
7
1
6
4
9
4
2
8
difficult
166
6
8
2
9
1
1
8
3
4
7
3
1
9
2
4
5
6
7
6
3
3
6
2
1
1
4
8
6
5
difficult
167
7
6
4
8
1
9
4
8
9
2
2
9
5
8
4
7
9
2
1
7
4
3
5
6
8
9
difficult
168
6
2
1
4
5
2
4
1
5
1
4
2
8
3
3
6
4
7
2
9
4
7
9
3
2
8
difficult
169
6
7
4
2
4
2
6
5
8
6
8
7
3
5
2
4
3
6
9
4
8
7
3
1
9
3
8
4
9
5
6
1
difficult
170
5
7
6
1
9
6
9
2
5
3
3
5
7
4
7
5
1
5
4
3
5
7
4
2
9
2
3
8
5
6
difficult
171
1
5
7
4
5
3
8
9
6
6
4
7
1
9
3
3
1
9
2
3
6
5
3
4
8
9
difficult
172
6
1
7
5
2
2
3
5
7
4
7
8
3
6
4
9
7
1
9
4
6
4
6
2
9
3
difficult
173
9
2
3
1
8
5
4
9
6
4
3
5
7
2
8
7
6
2
6
8
2
2
4
1
3
6
difficult
174
2
1
5
3
2
6
4
4
3
9
7
4
1
8
3
7
6
2
8
2
3
4
7
3
1
5
difficult
175
9
5
2
7
4
1
5
7
9
4
1
9
6
4
1
6
8
2
4
3
7
8
5
1
difficult
176
6
1
3
4
5
5
9
7
1
6
4
9
3
5
8
2
6
7
2
5
6
9
4
4
1
6
2
5
difficult
177
9
5
7
8
2
2
5
6
8
4
3
8
5
8
4
5
7
2
8
8
6
9
3
4
difficult
178
2
8
3
9
7
1
4
3
7
4
6
7
3
2
7
1
9
5
4
5
9
2
3
8
6
7
5
4
difficult
179
7
9
2
5
4
9
8
2
4
8
8
6
9
6
4
7
3
3
9
4
3
2
4
7
8
1
2
9
3
difficult
180
7
8
3
6
7
5
4
6
1
4
8
5
8
3
2
1
4
5
1
6
5
2
4
7
9
8
1
9
difficult
181
9
2
3
8
1
6
5
3
8
6
8
1
9
9
1
1
6
4
3
2
6
7
7
5
2
3
2
3
difficult
182
9
8
3
4
9
8
8
6
7
2
6
3
8
1
7
3
2
4
6
1
8
7
3
9
3
7
9
difficult
183
9
6
4
9
1
3
9
6
7
2
4
5
2
9
7
3
1
6
2
5
2
4
3
9
1
6
7
3
1
7
difficult
184
1
8
4
3
2
2
7
4
2
7
1
3
7
5
4
9
1
5
3
9
4
6
1
7
8
difficult
185
4
4
6
5
3
3
9
2
3
1
2
6
7
7
2
6
2
8
4
3
1
3
6
8
3
9
2
5
difficult
186
9
8
4
5
3
9
8
1
2
9
3
5
7
8
4
9
8
5
7
4
2
3
3
7
6
8
difficult
187
8
9
4
6
2
3
6
9
7
2
8
1
8
7
5
7
3
8
7
5
2
6
9
4
8
5
2
difficult
188
9
6
5
8
4
2
3
2
6
5
7
2
8
3
8
1
2
5
4
1
1
6
5
6
1
9
difficult
189
4
7
1
9
4
9
2
7
6
8
3
6
3
9
6
4
6
5
3
1
3
6
4
6
5
9
2
1
difficult
190
9
1
6
2
6
9
5
4
9
3
1
8
6
5
4
3
1
7
4
9
5
2
1
1
2
6
difficult
191
2
9
9
1
7
3
4
5
1
7
1
3
4
6
9
4
5
8
7
5
2
4
5
9
2
8
difficult
192
3
7
4
6
8
7
3
8
7
9
2
8
7
9
1
8
3
9
1
7
6
8
4
1
2
9
7
6
4
difficult
193
5
1
2
7
9
1
2
3
6
3
7
6
4
5
7
2
9
7
9
2
8
4
6
3
5
3
9
8
difficult
194
8
4
7
6
2
2
3
1
3
5
9
1
8
4
2
3
7
8
4
2
8
1
5
6
9
1
4
8
difficult
195
5
2
7
4
1
8
2
9
5
3
8
7
2
5
9
4
6
1
3
6
9
7
9
3
difficult
196
8
9
4
2
2
6
9
7
5
2
2
3
8
5
6
5
7
1
3
4
6
8
5
1
4
1
2
9
difficult
197
6
3
7
9
5
3
6
4
5
8
7
3
1
2
5
6
4
9
5
7
3
2
4
8
difficult
198
3
1
5
4
8
9
2
1
5
1
7
4
9
5
3
8
6
3
2
6
6
9
4
2
9
4
difficult
199
8
1
7
6
6
4
9
1
2
3
2
1
5
8
9
5
1
8
3
7
1
3
5
6
5
7
1
3
difficult
200
3
2
7
1
9
4
4
1
3
2
9
5
4
7
1
7
4
7
5
1
8
9
9
7
6
8
difficult
201
9
1
5
8
9
6
4
3
2
8
8
6
2
3
2
7
5
1
5
4
2
9
7
6
very difficult
202
9
5
3
2
6
7
3
5
2
1
4
4
9
7
8
1
2
8
7
1
6
3
1
7
4
1
8
very difficult
203
8
9
4
4
1
5
1
8
4
4
3
8
2
9
6
6
2
9
3
2
9
1
1
7
9
3
1
4
very difficult
204
2
5
5
9
1
2
6
1
4
3
5
3
2
2
8
6
7
2
3
1
9
4
8
4
very difficult
205
3
2
9
1
7
5
5
2
6
4
2
6
8
4
5
8
1
6
7
4
6
9
2
4
3
very difficult
206
3
4
6
7
4
9
6
5
5
1
8
3
7
5
6
9
3
1
8
1
9
9
7
2
1
2
very difficult
207
6
5
4
3
5
1
4
6
3
5
1
9
8
8
2
9
6
8
2
9
6
3
1
5
very difficult
208
4
3
6
2
3
2
9
1
1
9
7
2
6
4
6
9
3
7
8
3
7
3
6
9
5
3
1
4
very difficult
209
8
2
2
8
9
7
6
5
9
6
1
8
4
7
4
5
4
5
7
5
6
8
2
3
very difficult
210
2
5
7
7
4
2
8
9
1
2
3
2
1
4
6
9
5
7
5
9
6
4
1
3
2
6
3
4
very difficult
211
7
6
6
4
9
5
9
4
5
1
8
7
8
3
5
7
1
5
9
5
9
7
3
2
3
4
2
9
2
1
very difficult
212
6
7
2
5
7
2
8
9
1
1
9
8
2
4
9
6
7
4
2
7
9
3
3
2
7
3
7
6
very difficult
213
5
1
1
4
7
1
4
6
7
3
8
8
9
2
7
4
6
4
9
6
5
2
8
5
very difficult
214
2
9
7
1
6
2
3
4
5
7
3
4
7
1
6
3
9
8
4
1
7
9
8
2
very difficult
215
6
5
9
5
6
8
3
2
8
4
6
3
8
5
9
1
7
2
8
1
2
4
7
9
5
8
very difficult
216
2
1
9
3
4
1
8
5
3
8
7
6
6
9
5
4
8
3
5
6
7
3
4
9
1
8
very difficult
217
1
4
9
5
3
7
1
4
2
9
6
3
5
3
4
9
1
6
9
6
8
8
5
5
8
9
7
3
very difficult
218
5
4
6
9
9
1
4
9
3
2
7
4
6
7
1
4
2
7
2
1
4
9
5
7
3
1
very difficult
219
8
1
9
3
4
1
6
2
1
9
7
8
3
6
5
8
3
2
1
6
7
5
9
8
5
7
2
3
very difficult
220
7
4
3
2
1
5
3
9
8
2
1
3
7
9
1
8
3
5
6
8
7
3
1
1
7
6
very difficult
221
2
9
5
1
8
8
6
4
7
3
1
8
5
5
4
7
6
1
9
1
9
8
4
2
4
7
9
3
very difficult
222
2
1
8
7
9
3
4
3
9
7
6
2
9
6
5
4
6
3
7
2
4
4
9
1
5
4
9
very difficult
223
3
1
9
5
4
7
4
5
2
8
1
2
5
9
5
1
6
9
8
5
4
6
7
3
8
2
7
3
very difficult
224
4
2
8
9
6
1
7
3
5
9
3
8
2
7
9
1
3
2
7
9
7
6
2
7
8
5
1
9
very difficult
225
5
9
4
3
6
6
8
2
5
1
4
2
9
9
5
7
6
9
5
3
8
1
4
7
5
3
very difficult
226
4
1
9
3
4
8
6
4
5
7
2
9
1
7
3
4
5
2
8
5
6
2
5
4
7
8
3
8
very difficult
227
7
2
6
1
2
6
3
5
7
8
5
4
7
9
3
6
3
8
2
4
2
9
2
5
1
very difficult
228
4
5
2
6
3
1
9
3
9
8
3
8
9
4
1
6
7
6
5
1
9
7
4
7
very difficult
229
7
6
1
2
6
4
3
8
6
7
1
5
8
9
6
2
5
9
2
9
7
6
8
4
2
3
8
very difficult
230
6
2
8
4
7
5
9
2
9
6
3
5
5
1
8
7
6
2
9
8
6
3
3
4
1
5
very difficult
231
9
1
2
4
6
1
5
7
9
3
4
5
1
5
4
1
3
9
8
2
5
1
2
3
6
8
6
7
9
3
very difficult
232
3
1
9
4
5
7
6
3
2
8
1
1
5
6
9
8
7
6
7
2
4
7
6
3
9
6
5
4
very difficult
233
9
4
6
7
4
8
1
6
9
7
5
8
1
4
5
8
1
9
1
4
2
3
9
2
9
4
4
7
very difficult
234
8
9
5
6
5
7
4
3
8
6
6
8
7
2
9
9
4
3
8
2
7
9
7
2
1
1
6
5
very difficult
235
3
4
2
8
2
5
1
9
7
2
9
1
3
8
4
6
6
2
7
1
5
6
7
9
8
7
1
very difficult
236
6
9
2
4
6
3
5
1
6
3
7
9
5
7
3
6
9
6
8
2
4
6
7
9
4
5
8
6
7
very difficult
237
2
5
1
6
8
7
5
2
3
8
9
3
1
7
5
3
2
6
5
1
5
2
6
6
4
7
2
3
very difficult
238
4
5
3
9
6
1
2
7
8
5
3
4
9
8
2
7
1
7
5
3
4
8
6
1
6
8
5
9
very difficult
239
7
3
1
2
2
6
9
6
3
5
3
5
9
8
7
1
8
6
8
2
7
4
5
7
1
very difficult
240
2
9
4
1
6
9
8
4
5
7
1
6
2
5
7
8
7
6
1
4
8
1
7
9
3
very difficult
241
1
8
5
3
6
6
7
9
1
3
1
2
8
7
6
4
3
5
9
8
2
6
7
2
1
4
very difficult
242
1
8
5
4
2
5
7
3
8
4
1
3
8
8
2
4
6
6
7
3
5
7
6
8
2
4
5
7
9
2
very difficult
243
8
6
2
1
7
9
8
4
2
8
7
9
2
3
5
1
1
4
5
4
2
3
9
8
very difficult
244
1
4
9
5
8
7
2
5
8
7
9
2
5
4
7
8
3
9
7
1
2
5
4
3
7
8
5
2
very difficult
245
5
8
9
6
4
3
9
4
6
3
7
4
6
2
3
8
9
5
3
3
9
8
5
6
2
9
very difficult
246
4
9
7
2
1
5
8
7
1
2
9
4
8
6
2
4
1
6
7
3
8
8
3
9
4
2
very difficult
247
1
8
9
5
9
1
6
7
6
2
7
6
3
2
5
9
3
1
7
2
9
8
1
5
9
3
5
4
very difficult
248
9
7
6
6
3
4
1
2
2
8
9
2
4
1
9
3
4
4
3
4
2
6
7
4
8
5
very difficult
249
7
9
2
6
8
4
5
8
5
9
3
6
9
2
3
1
5
7
8
7
4
5
3
2
6
7
very difficult
250
9
7
2
3
2
4
1
5
5
6
9
1
3
5
8
5
4
7
8
7
4
5
3
4
2
1
very difficult

2024 Christmas Pack 250 Sudokus for Your Holidays has 250 sudokus.

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