"X" Diagonal Sudoku - AIRCRAFTDOKU - 250 puzzles Bronze-Silver-Gold Vol. 208

Aircraftdoku sudoku puzzles with the name: "Gattai-3." - 250 exciting, exciting puzzles- Levels go on increasing. You can start with a bronze medalist, this is the first 80 puzzles. You can go to the champion, the gold prize - 90 extreme Sudoku. Silver puzzles are in the middle of the book.- each Sudoku has a unique solution- tasks are conveniently located- large print- develops memory, logical thinking, helps with concentration- 2 puzzles per page- wide internal fields allow you to record your decisions and thoughts- very convenient and practical- expands creative thinking- Perfect gift for all fans of puzzles.The three tested Sudoku is in the form of high-end aircraft. Each Sudoku creates 180 cells for numbers. Empty cells must be filled with numbers from 1 to 9. Each of the digits should appear only once in each row of the 9 x 9 square, column 9 x 9 and in the 3x3 square. In this Sudoku, the numbers 1 to 9 does not repeat on the two main diagonals A large square marked with dashed