
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
What is the value of $1+3+5+\cdots+2047+2049 - (2+4+6+\cdots+2046+2048) - (3+6+9+\cdots+2046)$?
**A)** -695385
**B)** -694682
**C)** -694684
**D)** -693272
**E)** -693000

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