Number puzzle "Rosary"

Brain training puzzles"Rosary" is an application for playing with Android, the number puzzle "JUZU" Mr. Kazuhisa Koyanagi was invented.Rules1. 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 Play1. 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