peek at solution solve puzzle
quality: difficulty:
solvability: trivial
Puzzle Description:
pyramid from top
#1: m2 (mercymercy) on Sep 10, 2008 [SPOILER]
Does anybody else see the grey x?#2: Meg Smith (mamadragonfreak) on Sep 10, 2008 [SPOILER]
yes, it's a great optical illusion!#3: Marie-Louise Ambrey (marz) on Sep 10, 2008
Yes, I can see it.#4: Adam Nielson (monkeyboy) on Sep 10, 2008
Yes, I can too. At least the author came up with a creative way of titling this "commonly done" design.#5: Jane Doe (telly) on Sep 11, 2008
amen.#6: Jota (Jota) on Nov 26, 2008
WOT#7: Byrdie (byrdie) on Aug 7, 2010 [HINT]
I used four corner + H & V logic.
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