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Question 1
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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.
No coin pairs can be reversed.
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