Islands and Bridges Puzzle

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On the board, you will see yellow shapes which represent islands
The islands must be linked by bridges
The number in each island indicate the number of bridges required by each island
You must create a network of bridges obeying these rules
- Every bridge must join two adjacent islands
- Every island must be served by exactly the right number of bridges
- You are allowed to have isolated island clusters with no road link to other clusters. The only requirement is that every island must have the correct number of bridges.
To build a bridge, click on the space between two neighbouring islands
Some levels allow more than one bridge between neighbouring islands. Click on existing bridge(s) to build additional crossings
If you click on a crossing which already has the maximum number of bridges, this will reset the crossing by removing all the existing bridges.