
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
There are wooden sticks with lengths of 1 cm, 2 cm, 3 cm, 4 cm, 5 cm, 6 cm, 7 cm, 8 cm, and 9 cm, one of each. Choose several sticks from this set to form a square (without breaking any sticks). How many different ways are there to form such a square? Please draw four of these ways and label the lengths of the sticks used.

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