The New Sudoku Players' Forum

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I have not created any gattais for a while, so decided to create some new ones recently - these are gattai-3 puzzles, also named triple or treble - the overlapping sudokus are depicted below:

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       +-------------------+
       |0 0 7  0 0 0  2 4 0|
       |0 0 0  0 1 0  0 0 0|
       |5 0 0  0 0 0  0 0 1|
       |      +------------+------+
       |0 5 0 |0 0 0  0 0 2| 6 0 0|
       |0 0 0 |0 0 0  0 7 0| 0 0 3|
       |0 0 0 |0 0 6  0 0 0| 0 0 7|
+------+------+-----+      |      |
|0 0 0 |9 0 0 |0 3 0| 1 0 0| 0 0 0|
|0 0 6 |0 0 3 |0 0 8| 0 0 0| 0 1 0|
|2 0 0 |7 0 5 |0 0 0| 0 0 0| 0 0 0|
|      +------+-----+------+      |
|8 0 0  3 0 0 |9 7 0| 0 0 0  0 0 6|
|0 0 9  0 0 0 |0 0 0| 0 0 6  0 0 0|
|0 0 0  0 0 8 |4 0 3| 0 0 0  9 0 0|
|             +-----|-------------+
|6 0 3  0 7 0  0 5 0|
|0 7 0  0 0 0  0 0 0|
|0 0 8  0 0 6  7 0 0|
+-------------------+


Each subgrid has an SE rating to give a rough indication of the grid difficulty.

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..7...24.....1....5.......1.5......2.......7......6...9...3.1....3..8...7.5...... ED=1.5/1.2/1.2
.....26......7...3..6.....7.3.1.......8....1..........97......6.....6...4.3...9.. ED=1.5/1.2/1.2
...9...3...6..3..82..7.5...8..3..97...9...........84.36.3.7..5..7.........8..67.. ED=1.5/1.2/1.2


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7....3.2.13....6...9.1...87....6..5.........4.....1.....7.1.5.......8..3......... ED=4.2/1.2/1.2
.6..5.2.......41.5..1....6..1.5....3..8..3.........4....5............37........92 ED=4.2/1.2/1.2
.....7.1...1.....8.........13......5.........87.......7......6....6.4...6.91.8... ED=4.4/1.2/1.2


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..52....446......5...7......3..8.5.7...3...1.........3............17...97...2..4. ED=3.4/1.5/1.5
.8.5.7.363...1.........3............17...9....2..4.6.7........9.....8.7.7......6. ED=3.4/2.8/2.6
..7.......9....17....7...2.7.................164...7..2..6....991.4...8..839.2... ED=5.4/1.2/1.2


ATTACHMENT
triple-pdfs.zip (45,133 bytes)

[Mathimagics]

Wicked! Can't wait to try it out!

[creint]

Here is an harder one on the first try, overall score lower than/around SE 9.0 I guess.

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      . . . . 1 3 . . .     
      . . . . . . 7 9 2     
      . . 7 . . . 8 . .     
      6 . . . . . . . . . 5 .
      . . 9 . . . . . . . 7 .
      4 . . . 5 . . . . . 3 .
8 . 9 . . 5 . . . . . 8 . . .
. . 6 . . . . . . 4 . . . . .
. . 5 . . . 8 7 . . . . . . .
. . . 7 . . . . . . 1 . . . 8
. . . . . . . . . . . . . . .
. 6 . . 1 2 . . . . 4 . 3 2 .
. . . . . . . 8 .           
. 2 . . . . . . 4           
. . 7 6 . . 3 . .

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....13.........792..7...8..6..........9......4...5......5.....8......4.....87....
.......5........7..5.....3......8......4.....87...........1...8.............4.32.
8.9..5.....6........5...87....7...............6..12..........8..2......4..76..3..

[Hajime]

Great. I will try the first one by hand.