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title title:apple
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3 votes
1.9k views

Consider a 3-puzzle where, like in the usual 8-puzzle game, a tile can only move to an adjacent empty space. Given the initial state 

1 2
  3

which of the following state cannot be reached?

A 3 1
  2
B   3
2 1
C 1 3
  2
D   2
1 3
in Others
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1.9k views

2 Answers

5 votes
 
Best answer

ans will be C


selected by
3 votes
It will move clock wise or anticlockwise.
So ans should be C.

edited by

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