18
Before we start solving, there's a few logical deductions we can make at the very start:
So with this basic information, we can start trying to narrow down the candidates, and hopefully placing some numbers.
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1. Placing candidates
2. A breakthrough!
3. Moving ...
8
I think you are
Reasoning
6
The easiest way to count is
5
Two solutions:
And
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Explanation:
And through this analysis, I can also be confident there are no other solutions.
4
I claim that
The first and third conditions are obviously satisfied; to see the zeroth condition
To see the second condition:
2
Here is a solution
What I have not considered
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