perplexus.info :: General : 9 balls, 10 straight lines

9 balls, 10 straight lines (Posted on 2008-10-12)

Place 9 balls ("o") in the intersections of the grid below to achieve 10 straight lines, each line containing 3 and exactly 3 balls. You may assume, if you need, that each cell is a perfect square.

           +---+---+---+---+---+---+---+---+
           |   |   |   |   |   |   |   |   |
           +---+---+---+---+---+---+---+---+
           |   |   |   |   |   |   |   |   |
           +---+---+---+---+---+---+---+---+
           |   |   |   |   |   |   |   |   |
           +---+---+---+---+---+---+---+---+
           |   |   |   |   |   |   |   |   |
           +---+---+---+---+---+---+---+---+
           |   |   |   |   |   |   |   |   |
           +---+---+---+---+---+---+---+---+
           |   |   |   |   |   |   |   |   |
           +---+---+---+---+---+---+---+---+

Submitted by pcbouhid

Rating: 2.0000 (3 votes)

Solution: (Hide)

One solution:
o---+---+---+---o---+---+---+---o | | | | | | | | | +---+---+---+---+---+---+---+---+ | | | | | | | | | +---+---+---+---+---+---+---+---+ | | | | | | | | | +---+---o---+---o---+---o---+---+ | | | | | | | | | +---+---+---+---+---+---+---+---+ | | | | | | | | | +---+---+---+---+---+---+---+---+ | | | | | | | | | o---+---+---+---o---+---+---+---o

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
re: Honi soit...	Leming	2008-10-16 11:56:26
Honi soit...	ed bottemiller	2008-10-16 10:37:36
re: Thanks for another good puzzle	pcbouhid	2008-10-15 21:01:35
Thanks for another good puzzle	Leming	2008-10-15 16:25:41
Latinate obfuscation?	ed bottemiller	2008-10-15 14:11:04
Just asking...	pcbouhid	2008-10-15 11:36:47
Revise and extend my remarks...	ed bottemiller	2008-10-15 11:02:36
Round and round we go...	ed bottemiller	2008-10-15 10:52:33
re: Is that all there is, my friend, then ...	AvalonXQ	2008-10-14 23:02:55
Is that all there is, my friend, then ...	ed bottemiller	2008-10-14 18:04:34
re: Redaction (re Dej Mar) [spoiler]	Dej Mar	2008-10-14 15:41:25
Redaction (re Dej Mar)	ed bottemiller	2008-10-14 14:15:55
Interpretation redivivus	ed bottemiller	2008-10-14 13:55:00
Solution	Dej Mar	2008-10-14 02:14:52
Ambiguous or not	brianjn	2008-10-13 22:46:31
pick a pint of pickled pique...	ed bottemiller	2008-10-13 20:05:51
re(3): Generic answer (Spoiler)	pcbouhid	2008-10-13 19:38:56
re(2): Generic answer (Spoiler)	ed bottemiller	2008-10-13 18:17:39
re: Generic answer (Spoiler)	Daniel	2008-10-13 17:45:10
Ambiguous	ed bottemiller	2008-10-13 16:49:27
Generic answer (Spoiler)	Leming	2008-10-13 09:48:31

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