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Brain Teaser No
Three Gold (G) coins, three Silver (S) coins and three
Copper (C) coins are arranged in a single row as follow:
G S C G S C G S C
? Only 2 adjacent unlike coins can be moved at any one time.
? The moved coins must be in contact with at least one other
coin in line. i.e. no pair of coins is to be moved and
placed away from the remaining ones.
? No coin pairs can be reversed i.e. a S-C combination must
remain in that order in its new positionwhen it is moved.
What is the minimum number of moves required to get all the
coins in following order?
C C C S S S G G G
Show all moves.
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Answer / guest
Minimum number of moves are 8.
Move Order of Coins
0 G S C G S C G S C
1 G S G S C G S C C
2 G S C G S C C S G
3 G S C G S C C S G
4 G S C C S G S C G
5 G S C C S C S G G
6 G S C C C S S G G
7 C C C S S G G S G
8 C C C S S S G G G
| Is This Answer Correct ? | 0 Yes | 1 No |
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