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Harpers Ferry Sudoku, 1/2/2024

• Normal sudoku rules apply.
• Adjacent digits on an orange Dutch Whispers line differ by at least four.
• Adjacent digits on a green German Whispers line differ by at least 5.
• Within cages, digits do not repeat and sum to the indicated value.
• Digits on the thermometer increase from the bulb end.
• The digit in the shaded square is even.

Domino Tree, 9/30/2023

• Normal sudoku rules apply.
• Digits separated by an “X” sum to 10.
• Digits separated by a “V” sum to 5.
• Digits separated by a white dot are consecutive.

Lascaux Cave, 9/29/2023

• Normal sudoku rules apply.
• Digits within cages sum to the number indicated.
• Digits along a thermometer increase from the bulb end.
• Thin lines form palindromes — that is, a digit some distance along a line from one end also appears the same distance along the line from the other end.