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Printable Hard Sudoku

Six Hard puzzles, about 15 minutes each. Solutions are on the last page.

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549789358423526316417914694
Puzzle 1
25162595471613875976289345
Puzzle 2
461594559832178419758197
Puzzle 3
52943746751452983915819389
Puzzle 4
23651613928459234531857421
Puzzle 5
8611759673988975619423254938
Puzzle 6

Solutions

318542769572869413469137825896415237745923681231786594124378956987651342653294178
Solution 1
257416893481293567963875412328649751614527938795381624139754286542168379876932145
Solution 2
597846321816532947324197685251769834439281576678453219962314758745628193183975462
Solution 3
867453219943721586251869437689147352174532968532986741795614823426378195318295674
Solution 4
927843165314965278856127349195632784478519632632478591583791426261384957749256813
Solution 5
397826451248175936561439782754612398832947615619583274486791523173254869925368147
Solution 6

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