Scratchable latex-funny game

Play this game must first understand its characteristics, requirements, and then to apply some principles and skills, benefits to:
1. Fill out exclusions that can be used to determine the number of rows or columns
2. The first row or column fill in the blank space at least
3. When the application of the above two principles, can determine the least and Spaces completed, rows and columns, rows or columns and other figures, can be determined before the cycle by two principles to fill in the blank space.

Using this technique is basically one by one to fill certain Numbers, dont need to try. There is only one answer, the key is to find a breakthrough.