Access MultiDimensional Arrays With Indexes - help

Tell us what’s happening:

It is really hard and I don’t understand this. Please help me!!!

Your code so far

// Setup
var myArray = [[1,2,3], [4,5,6], [7,8,9], [[10,11,12], 13, 14]];

// Only change code below this line.
var myData = myArray[0][0];

Your browser information:

Your Browser User Agent is: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36.

Link to the challenge:

I dont know how to do any of it

did you solved it?
I am on the same point