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Newton's Hat

(Published on 22. March 2023, 18:21 by shadow-nexus)

Newton's Hat

Isaac Newton pulled a lot of things out of his hat during his lifetime, including his laws of motion that elegantly explain how things move and accelerate. Classical Newtonian physics holds a lot of historical gravity, but it is also the giant whose shoulders are the stepping stone to more complex physics.

This puzzle is a classical variant to my more complex (and more interesting) Schroedinger's Hat puzzle.


Solve

Penpa+

Rules

Suduko Fill the grid with the digits 1-9 so that no row/column/3x3box contains repeated digits.
Arrow Digits along an arrow sum to the digit in its circle.
Thermometer Grey paths are "thermometers" on which digits are increasing from a bulb towards the other end(s).
For thermometers having a single bulb, the direction of increase is away from the bulb and towards the tip(s).
For thermometers having 2 bulbs, the direction of increase must be determined.
Each grey path starting from the same bulb is a separate thermometer.
Kropki Cells separated by a black dot contain values in a 1:2 ratio.
Not all dots are given (i.e., there are no negative constraints).

Solution code: Row 5 and 6. (18 digits, without spaces)

Last changed on on 2. April 2023, 15:25

Solved by SKORP17, TeamSchmidt, bernhard, Banana, cemitche, Akko, josemadre
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Comments

on 27. March 2023, 16:07 by shadow-nexus
I rephrased the rules about thermometers to make it more clear that the "hat" consists of multiple thermometers, each with their own direction.

Difficulty:2
Rating:N/A
Solved:7 times
Observed:6 times
ID:000DBH

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