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Sudoku - 2027 Puzzle-a-Day Planner — Solution #1

Difficulty: HARD Clues: 28 Hardest: X WING 62 steps
0 / 62
HIDDEN SINGLE #1 R6C1 = 8 (only place for 8 in Row 6)
LOCKED CANDIDATES POINTING #2 1 in Box 1 → Col 3; eliminate from 3 cell(s)
HIDDEN SINGLE #3 R6C6 = 1 (only place for 1 in Row 6)
HIDDEN SINGLE #4 R6C3 = 4 (only place for 4 in Row 6)
HIDDEN SINGLE #5 R4C8 = 4 (only place for 4 in Row 4)
HIDDEN SINGLE #6 R4C1 = 1 (only place for 1 in Row 4)
LOCKED CANDIDATES POINTING #7 9 in Box 1 → Col 3; eliminate from 1 cell(s)
LOCKED CANDIDATES POINTING #8 6 in Box 5 → Row 5; eliminate from 2 cell(s)
LOCKED CANDIDATES POINTING #9 5 in Box 8 → Row 7; eliminate from 2 cell(s)
HIDDEN SINGLE #10 R2C1 = 5 (only place for 5 in Col 1)
NAKED SINGLE #11 R2C2 = 3 (only candidate)
HIDDEN SINGLE #12 R1C5 = 3 (only place for 3 in Col 5)
HIDDEN SINGLE #13 R7C5 = 5 (only place for 5 in Col 5)
LOCKED CANDIDATES POINTING #14 9 in Box 8 → Col 6; eliminate from 1 cell(s)
NAKED PAIR #15 R8C2 & R8C4 share {2,6}; eliminate from 3 cell(s)
NAKED SINGLE #16 R8C6 = 9 (only candidate)
HIDDEN PAIR #17 {5,7} confined to R9C2 & R9C3; eliminate 3 candidate(s)
NAKED TRIPLE #18 R7C3, R7C6, R7C9 share {3,6,8}; eliminate from 5 cell(s)
X WING #19 8 in Cols 4,7 at Rows 1,9; eliminate from 5 cell(s)
NAKED SINGLE #20 R1C9 = 5 (only candidate)
NAKED SINGLE #21 R1C6 = 7 (only candidate)
NAKED SINGLE #22 R2C5 = 6 (only candidate)
NAKED SINGLE #23 R2C6 = 8 (only candidate)
NAKED SINGLE #24 R1C4 = 1 (only candidate)
NAKED SINGLE #25 R1C3 = 9 (only candidate)
NAKED SINGLE #26 R1C8 = 2 (only candidate)
NAKED SINGLE #27 R1C7 = 8 (only candidate)
NAKED SINGLE #28 R2C8 = 7 (only candidate)
NAKED SINGLE #29 R3C3 = 1 (only candidate)
NAKED SINGLE #30 R3C4 = 4 (only candidate)
NAKED SINGLE #31 R3C6 = 5 (only candidate)
NAKED SINGLE #32 R5C4 = 6 (only candidate)
NAKED SINGLE #33 R5C6 = 4 (only candidate)
NAKED SINGLE #34 R7C6 = 6 (only candidate)
NAKED SINGLE #35 R7C3 = 3 (only candidate)
NAKED SINGLE #36 R5C3 = 7 (only candidate)
NAKED SINGLE #37 R5C5 = 9 (only candidate)
NAKED SINGLE #38 R5C2 = 2 (only candidate)
NAKED SINGLE #39 R5C1 = 3 (only candidate)
NAKED SINGLE #40 R6C2 = 9 (only candidate)
NAKED SINGLE #41 R6C5 = 7 (only candidate)
NAKED SINGLE #42 R7C8 = 9 (only candidate)
NAKED SINGLE #43 R3C8 = 6 (only candidate)
NAKED SINGLE #44 R3C9 = 3 (only candidate)
NAKED SINGLE #45 R3C7 = 9 (only candidate)
NAKED SINGLE #46 R7C9 = 8 (only candidate)
NAKED SINGLE #47 R5C9 = 1 (only candidate)
NAKED SINGLE #48 R5C8 = 8 (only candidate)
NAKED SINGLE #49 R8C1 = 4 (only candidate)
NAKED SINGLE #50 R7C1 = 2 (only candidate)
NAKED SINGLE #51 R7C7 = 4 (only candidate)
NAKED SINGLE #52 R8C2 = 6 (only candidate)
NAKED SINGLE #53 R4C2 = 5 (only candidate)
NAKED SINGLE #54 R4C3 = 6 (only candidate)
NAKED SINGLE #55 R8C4 = 2 (only candidate)
NAKED SINGLE #56 R8C7 = 3 (only candidate)
NAKED SINGLE #57 R9C2 = 7 (only candidate)
NAKED SINGLE #58 R9C3 = 5 (only candidate)
NAKED SINGLE #59 R9C4 = 8 (only candidate)
NAKED SINGLE #60 R9C7 = 2 (only candidate)
NAKED SINGLE #61 R9C8 = 1 (only candidate)
NAKED SINGLE #62 R9C9 = 6 (only candidate)