The New Sudoku Players' Forum

[denis_berthier]

This is a puzzle from the same "fish on wave" pattern as mith's puzzle here: http://forum.enjoysudoku.com/a-rather-silly-fish-thermo-t38336.html

Code: Select all

. . X X . . . . X
. X . . X . . X .
X . . . . X X . .
X . . . . X X . .
. X . . X . . X .
. . X X . . . . X
X . . . . X X . .
. X . . X . . X .
. . X X . . . . X


But contrary to my 9.3 puzzle with this pattern, the following one is easy:

Code: Select all

+-------+-------+-------+
! . . 4 ! 3 . . ! . . 8 !
! . 3 . ! . 6 . ! . 5 . !
! 8 . . ! . . 4 ! 2 . . !
+-------+-------+-------+
! 1 . . ! . . 3 ! 6 . . !
! . 7 . ! . 9 . ! . 1 . !
! . . 5 ! 6 . . ! . . 2 !
+-------+-------+-------+
! 5 . . ! . . 2 ! 4 . . !
! . 1 . ! . 4 . ! . 2 . !
! . . 8 ! 5 . . ! . . 6 !
+-------+-------+-------+

..43....8.3..6..5.8....42..1....36...7..9..1...56....25....24...1..4..2...85....6 #  2939 FNTHWX C27.m
SER = 6.6


[pjb]

Four fish:
Swordfish of 1s (r169\c567) => -1 r2c67, r37c5
Swordfish of 8s (r258\c467) => -8 r4c4, r6c67, r7c4
Naked pairs of 79 at r26c7 => -7 r189c7, -9 r189c7
Sashimi jellyfish of 9s (r1378\c1249), fin at r1c6 => -9 r2c4
Sashimi jellyfish of 9s (c2469\r1379), fin at r8c9 => -9 r9c8; stte

Phil

[Leren]

Swordfish of 1s (r169\c567) => -1 r2c67, r37c5
Swordfish of 8s (r258\c467) => -8 r4c4, r6c67, r7c4
Naked pairs of 79 at r26c7 => -7 r189c7, -9 r189c7

Code: Select all

*--------------------------------------------*
| 279  59  4   | 3     257 79  | 1   6    8  |
| 2-79 3   17  | 12-79 6   8   |A79  5    4  |
| 8    569 167 | 179   57  4   | 2   3   B79 |
|--------------+---------------+-------------|
| 1    48  9   | 27    278 3   | 6   47   5  |
| 6    7   2   | 4     9   5   | 8   1    3  |
| 3    48  5   | 6     178 17  |B79  479  2  |
|--------------+---------------+-------------|
| 5    69  67  |B79    3   2   | 4   8    1  |
|B79   1   3   | 8     4   6   | 5   2   A79 |
| 4    2   8   | 5     17  179 | 3  B79   6  |
*--------------------------------------------*

Naked Pairs (79) => - 79 r2c14; stte

Leren