1
100
23
2
149
68
3
19
2
4
10
1
5
48
26
6
513
67
7
34
6
8
13
2
9
103
47
10
1
0
11
54
18
12
41
36
13
29
1
14
18
4
15
1012
364
16
37
9
17
188
99
18
159
15
19
43
17
20
mooreds
15h ago
Math Puzzles
jrmf.org
145
5
21
45
4
22
635
273
23
597
158
24
110
34
25
helsinkiandrew
1d ago
How Matzo Is Made
www.bloomberg.com
45
38
26
62
16
27
5
6
28
495
217
29
248
106
30
379
100
31
427
402
32
253
345
33
148
85
34
154
92
35
13
1
36
253
28
37
lifthrasiir
2d ago
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onlyspans.net
126
59
38
26
6
39
67
65
40
71
14
41
71
9
42
Tomte
1d ago
Zint
zint.org.uk
47
5
43
156
16
44
204
36
45
6
0
46
278
58
47
969
204
48
1238
321
49
128
193
50
123
104
51
63
44
52
106
12
53
244
255
54
8
0
55
todsacerdoti
18h ago
RHttp: REPL for HTTP
github.com
65
11
56
188
87
57
40
17
58
11
4
59
78
70
60
57
13
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