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---- Day 4: Secure Container ---
-You arrive at the Venus fuel depot only to discover it's protected by a password. The Elves had written the password on a sticky note, but someone threw it out.
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-However, they do remember a few key facts about the password:
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-It is a six-digit number.
-The value is within the range given in your puzzle input.
-Two adjacent digits are the same (like 22 in 122345).
-Going from left to right, the digits never decrease; they only ever increase or stay the same (like 111123 or 135679).
-Other than the range rule, the following are true:
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-111111 meets these criteria (double 11, never decreases).
-223450 does not meet these criteria (decreasing pair of digits 50).
-123789 does not meet these criteria (no double).
-How many different passwords within the range given in your puzzle input meet these criteria?
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-Your puzzle answer was 1033.
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---- Part Two ---
-An Elf just remembered one more important detail: the two adjacent matching digits are not part of a larger group of matching digits.
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-Given this additional criterion, but still ignoring the range rule, the following are now true:
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-112233 meets these criteria because the digits never decrease and all repeated digits are exactly two digits long.
-123444 no longer meets the criteria (the repeated 44 is part of a larger group of 444).
-111122 meets the criteria (even though 1 is repeated more than twice, it still contains a double 22).
-How many different passwords within the range given in your puzzle input meet all of the criteria?
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-Your puzzle answer was 670.
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-Both parts of this puzzle are complete! They provide two gold stars: **
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-At this point, you should return to your Advent calendar and try another puzzle.
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-Your puzzle input was 254032-789860.
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-You can also [Share] this puzzle.