
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
Lisa drove from her home to Shangri-La. In the first hour, she drove $\frac{1}{3}$ of the total distance. In the second hour, she drove $\frac{1}{2}$ of the remaining distance. In the third hour, she drove $\frac{1}{10}$ less than what she drove in the first hour. At this point, she still has 9 kilometers left to reach Shangri-La. The distance between Lisa's home and Shangri-La is $\qquad$ kilometers.


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