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Hashi/Hashiwokakero puzzles

My database includes 71 puzzles for the moment and I'm constantly generating more.

Rules:

1. Each circle with number must have as many lines from it as the number in the circle.
2. It is not allowed to have more than two lines between two circles.
3. The lines can not cross eachother.
4. All the lines must either go horizontal or vertical. It is not allowed to draw lines diagonally.
5. All lines must be connected.

For more information look at Wikipedia.

3122316 puzzles downloaded.

2 2 2 2 2 2 2 2 2 2
1 1 2 3 2 4 5 2
3 1 2 2 2 3 1 1 4
2 2 5 4 2 3 2 1
1 4 5 7 4 5 4
2 6 7 6 4 1 1
1 1 3 5 3 5 3 4
2 5 1 1 1 2
2 2 4 5 4 1 2 3 2
3 6 1 5 1 1 2
2 2 3 7 6 6 4 5 4
3 4 2 2 1 4 2 2
3 5 3 3 7 7 7 2 2 4 2
3 1 5 4
2 7 5 3 5 7 6 3 4 2
2 1 1 5 3
3 7 3 1 6 5 3 1 1
1 2 1 5 5
2 4 3 6 5 2 2 1
3 1 5 4 5 4 4
2 1 3 7 5 1
4 4 5 4 1 2 2
2 1 2 3 5 2
3 3 3 2 3 5 3 1 1
2 2 2 2 2 2 2 2 2 2
Showing puzzle number: 61
Difficulty: Hard
Solution methods:
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