Patriotic Puzzles

Link to Japanese version
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mute:OFF
  • B
  • B
  • N
    • A
    • B
    • x
    • A
    • B
    • x
    • A
    • B
    • x
    • A
    • B
    • x
    • A
    • B
    • x
    • A
    • B
    • x
    • A
    • B
    • x
    • A
    • B
    • x
    • A
    • B
    • x
    • A
    • B
    • x
  • N
    • A
    • B
    • x
    • A
    • B
    • x
    • A
    • B
    • x
    • A
    • B
    • x
    • A
    • B
    • x
    • A
    • B
    • x
    • A
    • B
    • x
    • A
    • B
    • x
    • A
    • B
    • x
    • A
    • B
    • x
  • D
    • A
    • B
    • x
    • A
    • B
    • x
    • A
    • B
    • x
    • A
    • B
    • x
    • A
    • B
    • x
  • Normal
  • Easy
Hint
Fix

[Rule]

On the board shown below, place an "A" or a "B" symbol so that all the rules below are satisfied.

  1. Every row and every column of the board must have one "A" and one "B" symbol, but not both in the same square.
  2. The clue symbols on the outside of the board indicate the longest consecutive white square (the square containing neither "A" nor "B") in the row or column starting from the square adjacent to the symbol.
    1. A: The longest white square touches only "A".
    2. B: The longest white square touches only "B".
    3. D: The longest white square touches both "A" and "B". ("Draw")
    4. N: The row or column has more than two longest white squares. ("No game")

[Operation]

  1. "Back" -> 1 step back, "Restart" -> Restart from the scratch.
  2. "hint" -> Some of the erasable numbers turn red.