Tridoku Level 4 : Extreme Vol. 1
Subtitle: Play Triangle Sudoku with Solutions 9x9 Triangle Grids Very Hard Level Volumes 1-40 Variation Tridoku Travel Paper Logic Games Solve Japanese Number Cross Sum Puzzle Math Challenge Concentrate All Ages Kids to Adult Gifts
Publisher: Independently Published
Published: 2020
Language: eng
ISBN-13: 9798654222367