To solve a TATAMI puzzle, you must place in each puzzle cell, a number from 1 up to the numerical size of the puzzle tiles so that the following three rules are met:
1. The numbers within a tile must all be different.
2. Horizontally or Vertically adjacent puzzle cells must not contain the same number.
3. Each row and column of the puzzle must contain the same number of appearances of each number.
Ultimate IQ Tests: 1000 Practice Test Questions to Boost Your Brain Power