
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 a sequence where the first number is 1, the second number is 3, and from the third number onward, each number is the units digit of the sum of the previous two numbers: $1, 3, 4, 7, 1, 8, 9, 7, 6$. Find the maximum sum of any 2019 consecutive numbers in this sequence.

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