Wall Slitherlink 400 Sudoku Project.

Good fitness for the brain.Slitherlink. The Wall of China can also be called: ("Fences sudoku," "Loop the Loop sudoku," "Dotty Dilemma," "Sli-Lin," "Sliding Lines puzzle") is a logical puzzle that resembles a maze. It is necessary to connect points with vertical and horizontal lines in order to form one closed contour that does not intersect with itself. Each digit indicates how many segments should be located around it around the perimeter. If there is no number in the cell, then there may be any number of lines around it. 400 Hard levels sudoku puzzles. + 250 sudokus extreme level that can be downloaded and printed.+ 250 maze puzzles that can be downloaded and printed.Unique puzzles.All sudoku tested and rechecked. Only 1 verified solution.Answers are at the end of the book.Exclusive puzzles.A great book for free time and studying the mind.I hope you enjoy the book.Best regards, Basford Holmes