<|im_start|>system
You are a helpful assistant. You first think about the reasoning process in the mind and then provide the user with the answer. You should try to truely solve the question by yourself without cheating.  <|im_end|>
<|im_start|>user
 On the screen, there are $n \geqslant 5$ distinct points, with each point having exactly 4 other points at a distance of 1 from it. Find the smallest possible value of $n$. Show your work in <think> </think> tags. And return the final answer in <answer> </answer> tags.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>
user
9
On the screen, there are $n \geqslant 5$ distinct points, with each point having exactly 4 other points at a distance of 1 from it. Find the smallest possible value of $n$.
test