
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
On the number line, the point M corresponds to the number -4. An ant starts from point M and crawls along the number line at a speed of 2 units per second. After reaching point N on the number line, it immediately returns to the origin, taking a total of 11 seconds.  
(1) What is the distance the ant has crawled?  
(2) What number corresponds to point N?  
(3) What is the distance between points M and N?

Present the answer in LaTex format: \boxed{Your answer}
user