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All sudoku puzzles in this forum post are the intellectual property of Børge Alexander Tetlie Anderssen.
Copyright © 2009 Børge Alexander Tetlie Anderssen.  All rights reserved.  Terms of Use.

There are three difficulties to choose from.
All three puzzles have the same solution.

The difficulty levels explained     The ratings explained

A) Novice.
B) Apprentice (mainstream edition).
C) Master (10 Intersection, 1 Skyscraper on 3 in g2, 1 XY-Wing on 5 in g4, 1 Y-Wing on 9 with {49} pincers in g4). Select to view details.
The advanced techniques are needed in 3 different grids.



Regular Samurai #67A (Novice)

Rating based on required solving techniques:  Moderate

000000090340000002020004000080000020000005709000809500800001000060080000500902000
002000000000869000000000650004010000100600002900402500000000004000704000000008230
000080000000000000000002000000010040680500072000007000000100000000000000000706000
080090000500000000600800000000000000190002007008050000000027300807600000046000200
000080050000070003000005090000300000080000107005910000010000000300000974500496000



Regular Samurai #67B (Apprentice)

Rating based on required solving techniques:  Hard

000000090340000002020004000080000020000005709000809500800001000060080000500902000
002000000000869000000000650004010006100600002900402500000000004000704000000008230
000080000000070000000002000000010040600500072000007000000100000000000000000706000
080090000500000000600800000000000000190002007008050002000027300807600000046000000
000080050000070003000005090000300000080000107005910000010000000300000974000496000



Regular Samurai #67C (Master)

Rating based on required solving techniques:  Super Hard

000030090340000002020004000080003020000005709070800500800001000060080000500902000
092000000540860001000000650024010000100600000900402500000000004000704000000000230
000080000000070000000002000300010000680500070000007000000100000000000000000006000
080090000500000000600800000000000600190300000008050002000027300807000000046000201
000080050000000003000005090040300000000000107005910040010030000300000974500096000

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