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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 (34 Intersection, 1 Naked Pair, 1 Naked Triplet, 2 Naked Quad, 1 Uniqueness Test 2 on {48) in g3, 1 Skyscraper on 5 in g2). Select to view details.
The advanced techniques are needed in 2 different grids.



Regular Samurai #91A (Novice)

Rating based on required solving techniques:  Moderate

700100000080025000090006205000200009000000040034008020001004000500701000000060000
003000000000070040700210300000000020009000108000834006000001405000008092000009000
000003000000000000000000000000000100003201090006700002000009000000320000000000000
000580000000000000000006000009810050060030100001000700002400003090200007080009000
000040000000002038000031600000000007507008000000000409900050064005000702400210000



Regular Samurai #91B (Apprentice)

Rating based on required solving techniques:  Tough

700100000080025000090006205000200009000000040034008020001004000500701000000060000
003000000000070040700210300000000020079000108000834006000000005000008092000009000
000403000000000000000000000000000100003201090006700002000009000000320000000000000
000580000000000000000006000009810050060030100001000700002400003090200007080009000
000040000000002038000031600004000007507008000000000409900050064005000702400210000



Regular Samurai #91C (Master)

Rating based on required solving techniques:  Super Hard

700100000080020000000006205000200009000000040934058000301004000500701000000060000
003000200000970000040210300000000020479000108000834000000000405000008092000009000
000003000000070000000000000020000100003001090006700002000009000000020000000000000
000580000000000000000006000009810050060030100001000700002400000090200007080009500
000040000000002038000031600004000007500098000000000409902050064000000702400010000

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