A TATAMI puzzle consists of a square grid which has been covered with rectangular tiles which are either 3, 4 or 5 cells in area. Any given puzzle will be fully covered using tiles of only one of these sizes. To solve such a puzzle, the solver must place numbers from 1 up to the numerical size of the tile into the puzzle cells so that the following three rules are met:-
The following graphics show a Tatami puzzle in the Crossword Express Solve screen and a PNG graphic file produced by the program's print function, showing the complete puzzle solution. See also a full size version of a PDF file.
The key features of the Crossword Express Tatami Construction function are as follows:-