A puzzle in which each piece is combined with the other three pieces. They all look the same and are actually assembled with two types of pieces. Since each ring is carefully calculated and assembled, movement is very restricted. The difficulty level was decided to be "5" by the user voting campaign.
Difficulty Level 5
JPY 
Euros
British Pounds
Australia Dollars
US Dollars
Canada Dollars
Chinese Yuan
Singapore Dollar
Hong Kong Dollar
