Question 1042329
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On normal cheese board i1 and I 2 are two insects starting from two opposite edges of the board each insect moves with same constant speed i1 can only move upwards and right and i2 can only move downwards and left along the lines drawn find the total number of ways in which the insects can meet each other 
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Let me make some editing and ask some questions.


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1.  "normal cheese board" here is a "normal chess-board".


2.  Do the insects start from the edges or from corners?


3.  What does it mean "meet" in this case? What is the exact meaning?
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