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 Greaterdoku (Posted on 2007-07-15)
In the following grid, the numbers from 1 to 6 occur only once per row, per column, or per colored rectangle. Given the relations between numbers and a single number to get you started, can you complete the grid?

 > > < < v ^ v ^ ^ ^ < > > < < > < > 3 v v ^ ^ v ^ > < > < < < < > ^ v ^ v v ^ > < < >

 No Solution Yet Submitted by Federico Kereki Rating: 4.8000 (5 votes)

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 All worked out! | Comment 5 of 12 |
I played "Find the Ones" and:
• there's one in the first row, 4th column
• hence there's one in the 5th row, 6th column (the other possibility in that rectangle would be the 6th row, 4th column, but that isn't allowed)
• hence there's one in the 6th row, 2nd column
• hence there's one in the 3rd row, 3rd column
• hence there's one in the 2nd row, 1st column
• the last one is in the 5th row, 5th column.
Now for the twos:
• there's one in the 3rd row, 4th column
• there's one in the 1st row, 5th column
• hence the one in the 6th column is in the 6th row
• hence there's one in the 5th row, 1st column
• hence there's one in the 4th row, 2nd column
• hence the one in the 3rd column is in the 2nd row
The threes (and let's write a little less):
• 6th row, 4th column
• 2nd row, 5th column
• 1st row, 3rd column
• 4th row, 1st column
• 5th row, 2nd column
The fours:
• 1st row, 2nd column
• 2nd row, 4th column
• 6th row, 5th column
• 5th row, 3rd column
• 3rd row, 1st column
• 4th row, 6th column
The fives:
• 1st row, 6th column
• 5th row, 4th column
• 3rd row, 5th column
• 4th row, 3rd column
• 6th row, 1st column
• 2nd row, 2nd column
And the sixes go in the remaining cells! Whew!!

 Posted by e.g. on 2007-07-15 15:38:29

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