Number puzzle "Rosary" description

Brain training puzzles
"Rosary" is an application for playing with Android, the number puzzle "JUZU" Mr. Kazuhisa Koyanagi was invented.

Rules
1. Connected by a line between the numbers round.
2. In round numbers lead wire only the number of digits.
3. Do not cross the line.

How To Play
1. You can draw a line by tapping the numbers, and drag it to the numbers around.
2. Follow the same steps again, you can turn off the line.

Keyword
- Slither Link, Fences, Takegaki, Loop the Loop, Loopy, Ouroboros, Suriza, Dotty Dilemma, Sudoku, KenKen, Kendoku, Mathdoku