- Posted by ehosca on August 7, 2008
In the 20 by 20 grid below, five numbers along a diagonal line have been marked in bold.
47
90
41
82
1
96
95
27
50
91
97
65
49
38
96
90
90
90
84
27
6
35
42
36
25
31
20
57
86
61
34
6
73
13
59
72
55
51
72
53
20
2
44
25
28
57
5
29
21
12
1...
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