There are three difficulties to choose from.
All three puzzles have the same solution.A) Novice
B) Apprentice (mainstream edition).
C) Master (33 Intersections, 3 Naked Pairs, 3 Naked Triplets, 1 Naked Quad,
1 Uniqueness Test 1 in g2,
1 XY-Wing in g3.
Select to view GRID numbers.The Uniqueness Test 1 and the XY-Wing are required in two different grids.Regular Samurai #19A (Novice)Rating based on required solving techniques: Moderate
000000000007042305050001007006430000405000803200010090000020000009100000000000040
050000000000080034004200009300045900020000000500001048000010002000500003030800000
000970000000000000040000030000200000200500001504080900000000000000403002000708004
010090000006000000050000000000002070260305000000170000500000900081700004000030001
000001004002000000004009080007064000000000503400300090000000000005008970900037010
Regular Samurai #19B (Apprentice)Rating based on required solving techniques: Hard
My personal rating based on actual solving: Tough
040050000007002300050001007006430000405000803200010090000920000800000700000000000
050006000900080004004200009300605900020000000000001048000010002000000003000800005
000970000700000000000800000000200000200500001504080900000000000000403000000700000
000090000006000000050000000008002070260300100000170000500000900081750004000030001
000001004000040000000009080007060020000000503400300090000000000105008970940037000
Regular Samurai #19C (Master)Rating based on required solving techniques: Super Hard
040050000007002300050001007006430000405000803200010090000920000800000700000000000
050006000900080004004200009300605900020000000000001048000010002000000003000800005
000970000700000000000800000000200000200500001504080900000000000000403000000000000
000090000006000000050000000008002070260300100000170000500000900081750004000030001
000001004000040000000009080007060020000000503400300090000000000105008970940037000
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