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Sudoku - Easy to Expert — Solution #1
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NAKED SINGLE
#1
R1C5 = 7 (only candidate)
NAKED SINGLE
#2
R2C5 = 3 (only candidate)
NAKED SINGLE
#3
R6C1 = 3 (only candidate)
NAKED SINGLE
#4
R6C9 = 5 (only candidate)
NAKED SINGLE
#5
R8C8 = 1 (only candidate)
NAKED SINGLE
#6
R7C8 = 7 (only candidate)
NAKED SINGLE
#7
R3C8 = 5 (only candidate)
NAKED SINGLE
#8
R2C8 = 9 (only candidate)
NAKED SINGLE
#9
R5C8 = 2 (only candidate)
NAKED SINGLE
#10
R9C4 = 9 (only candidate)
NAKED SINGLE
#11
R6C4 = 2 (only candidate)
NAKED SINGLE
#12
R3C4 = 8 (only candidate)
NAKED SINGLE
#13
R2C4 = 5 (only candidate)
NAKED SINGLE
#14
R1C6 = 4 (only candidate)
NAKED SINGLE
#15
R1C7 = 6 (only candidate)
NAKED SINGLE
#16
R2C6 = 2 (only candidate)
NAKED SINGLE
#17
R6C3 = 9 (only candidate)
NAKED SINGLE
#18
R7C7 = 3 (only candidate)
NAKED SINGLE
#19
R9C5 = 1 (only candidate)
NAKED SINGLE
#20
R5C5 = 9 (only candidate)
NAKED SINGLE
#21
R7C6 = 8 (only candidate)
NAKED SINGLE
#22
R7C2 = 6 (only candidate)
NAKED SINGLE
#23
R7C3 = 1 (only candidate)
NAKED SINGLE
#24
R8C6 = 3 (only candidate)
NAKED SINGLE
#25
R5C6 = 1 (only candidate)
NAKED SINGLE
#26
R4C6 = 5 (only candidate)
NAKED SINGLE
#27
R5C7 = 7 (only candidate)
NAKED SINGLE
#28
R5C9 = 3 (only candidate)
NAKED SINGLE
#29
R4C9 = 1 (only candidate)
NAKED SINGLE
#30
R4C7 = 9 (only candidate)
NAKED SINGLE
#31
R5C4 = 6 (only candidate)
NAKED SINGLE
#32
R4C4 = 3 (only candidate)
NAKED SINGLE
#33
R9C9 = 4 (only candidate)
NAKED SINGLE
#34
R3C9 = 7 (only candidate)
NAKED SINGLE
#35
R2C9 = 8 (only candidate)
NAKED SINGLE
#36
R8C9 = 6 (only candidate)
NAKED SINGLE
#37
R9C7 = 2 (only candidate)
HIDDEN SINGLE
#38
R1C2 = 9 (only place for 9 in Row 1)
HIDDEN SINGLE
#39
R3C3 = 3 (only place for 3 in Row 3)
HIDDEN SINGLE
#40
R3C2 = 2 (only place for 2 in Row 3)
NAKED SINGLE
#41
R4C2 = 7 (only candidate)
NAKED SINGLE
#42
R2C2 = 4 (only candidate)
NAKED SINGLE
#43
R2C7 = 1 (only candidate)
NAKED SINGLE
#44
R3C1 = 1 (only candidate)
NAKED SINGLE
#45
R3C7 = 4 (only candidate)
NAKED SINGLE
#46
R4C1 = 6 (only candidate)
NAKED SINGLE
#47
R2C1 = 7 (only candidate)
NAKED SINGLE
#48
R2C3 = 6 (only candidate)
NAKED SINGLE
#49
R4C3 = 2 (only candidate)
NAKED SINGLE
#50
R8C2 = 8 (only candidate)
NAKED SINGLE
#51
R8C3 = 4 (only candidate)
NAKED SINGLE
#52
R5C3 = 8 (only candidate)
NAKED SINGLE
#53
R1C3 = 5 (only candidate)
NAKED SINGLE
#54
R1C1 = 8 (only candidate)
NAKED SINGLE
#55
R5C1 = 4 (only candidate)
NAKED SINGLE
#56
R9C1 = 5 (only candidate)
NAKED SINGLE
#57
R9C3 = 7 (only candidate)