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 Locksmith (Posted on 2008-12-19)
K, the Key, is to be moved to contact L, the Latch, so as to move it totally into the grey area.

Locked
 K → L →
Open
 L

 1 3 2 8 9 10 K → 5 L → 4 6 11 7

The object again is to move K to dislodged L. The "tumblers", the numbered blocks, are only to slide in the direction of their respective lengths.

How might you accomplish this?

Note: the black areas are void space.

 Submitted by brianjn No Rating Solution: (Hide) In some instances it is irrelevant as to which "tumbler" moves first. Where one is offered such a choice the following notation: |x| |y| indicates that either may be the first of a pair to move. I note 2 general solutions but there is another requiring "7" to be moved twice and thus is not as efficient as either of the following: ``` |1| |6| |8| |2| 5 |K| 4 7 |9| K 5 3 10 K |1| |6| |8| |2| 5 K 4 |7| |9| K 5 3 10 K ``` One could legitimately consider the possibility of moving the [1,2], [6,7] and [8,9] in unison when they present as an option if such a mechanism existed in the real world.

 Subject Author Date re: No solution yet? Spoiler alert... Charlie 2008-12-22 14:51:14 No solution yet? Spoiler alert... Terrato 2008-12-22 05:13:20 re(4): Any mistake? (possible spoiler) - I forgot the 6 pcbouhid 2008-12-20 16:07:32 re(3): Any mistake? (possible spoiler) - I forgot the 6 Charlie 2008-12-20 13:21:28 re(2): Any mistake? (possible spoiler) - I forgot the 6 pcbouhid 2008-12-20 08:28:31 Worried brianjn 2008-12-20 06:04:32 re(2): Any mistake? (possible spoiler) Daniel 2008-12-20 03:30:44 re: Any mistake? (possible spoiler) Charlie 2008-12-19 17:59:31 re: Any mistake? (possible spoiler) Elisabeth 2008-12-19 17:47:45 Any mistake? (possible spoiler) pcbouhid 2008-12-19 14:50:12

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