
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
Given the function $f\left( x \right)=|2x-a|\left( a\in \mathbf{R} \right)$.

1. When $a=4$, solve the inequality $f\left( x \right)\lt {}8-|x-1|$.
2. If the inequality $f\left( x \right)\gt 8+|2x-1|$ has a solution, find the range of values for $a$.

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