- kind of Sudoku puzzles. The playing field consists of five squares measuring 9 x 9. The numbers 1 to 9 must be placed correctly in all five squares.Place 1 to 9 once each into every row.Place 1 to 9 once each into every column.Place 1 to 9 once each into every bold-lined 3x3 box. The puzzle book contain: • 200 Puzzles • Handy 6 x 9 inch Book Layout • 1 Puzzles per Page • Ideal for Beginners In the book you will find a description and examples of solutions for all puzzles. The book is for those who like logic and math problems. Decide, developing and improving.