Add cells in order
Addition pairs: Time:
Equality pairs: Total adds:
Total pairs: Total rows:
Rows deleted: Level:

- Select two identical numbers or two with sum of 10

- Two numbers should be on same axes - horizontal or vertical

- Numbers can be apart but numbers between should be used

- Numbers wrap - rows last number can be paired with next rows first number

- If no pairs can be found you can append all unused numbers as new rows

- Source code available on Github