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Puzzle 11170: Filter (Version 3)

Dr Mazhar's advice"2 embded stacks,add 4 while popping outer stack"

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Author: drmazhar
Date posted: 12/15/2018 1:14:25 AM
Difficulty (1..5): 1.43 (7 votes)
Popularity: 2 (3 liked, 1 disliked)
Correct solution submitted: 25

 

Solved by 13 players

padre (16)scorpio (16)arkangelsk1 (17)axorion (17)cowans (17)
belenus (18)drmazhar (18)beseech (19)ceecee (19)milusheva (19)
dougheim (20)fifiasokon (22)hilbert (22)

Number of commands in the solution is shown in brackets. Shown as ? when not available.

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