There are three difficulties to choose from.
All three puzzles have the same solution.A) Novice
B) Apprentice (mainstream edition).
C) Master (26 Intersections, 2 Naked Pairs, 1 Naked Triplet, 1 Naked Quad, 1 Hidden Pair, 1 Hidden Quad,
2 Uniqueness Test 1: one in g2 and one in g4,
1 Uniqueness Test 4 in g5).
Select to view GRID numbers.The advanced techniques are needed in 3 different grids.Regular Samurai #23A (Novice)Rating based on required solving techniques: Moderate
000000087003070000500600030000020060080060001004100050070009000300000000000500300
000000000010893007502000019000020800700040000000700400000006000000000130000300050
000007000000000000300620000000000083206300000001009070000000000000140000000000000
000000000040803000030050000000004000003500047700300006000040000059710000000000075
000000000000150200000000003430000610600030004007900020006009800000006070050703000
Regular Samurai #23B (Apprentice)Rating based on required solving techniques: Hard
My personal rating based on actual solving: Tough
000000087003070000500600030010020060080060001004100050470000000300000000000500300
000000000010893007502000019000020800700040000000700400000006000000000130000300050
000007000000000000300620000000200083206300000001009070000000000000146000000000000
000000000040803000030050000800004000003500047700300006000040200059710000000000075
000000080000150200000000003430070010600030004007900020006009800000006070050700000
Regular Samurai #23C (Master)Rating based on required solving techniques: Ultra Hard
000000087003070000500600030010020060080060001004100050070000000300000000000500300
000000000010893007502000019000020800700040000000700400000006000000000130000300050
000007000000000000300620000000200083206300000001009070000000000000046000000000000
000000000040803000030050000800004000003500047700300006000040000059710000000000075
000000080000150200000000003430070010600030004007900020006009800000006070050703000
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