[99] [45] [39] [36] [28] [21]
↓ ↓ ↓ ↓ ↓ ↓
[72]→[27]→[18]→[21]→[ ?]→[13]→[7]
Famed 20th century puzzle inventor Nob Yoshigahara considered this his masterpiece.
(In reply to
Ez by Ady TZIDON)
Wow, that blows my mind. I was thinking that the number is equal to the difference between the number above and the number to the left. For example, 18 = 45 - 27. In this case, the answer would be 15, and the "21" would be a typo and should say "20" instead.
I think that it's worth pointing out that the 21 is *not* a mistake. Otherwise one is liable to think they've found the answer, when actually Ady's answer is the right one. Great puzzle!
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Posted by Caleb
on 2020-09-02 01:11:58 |
re: Ez
