Determine the missing elements from the given puzzle.
[2,_,6]
[5,7,_]
[9,_,3]
The missing elements in the puzzle are as follows: 
[2,4,6]
[5,7,8]
[9,1,3]
Complete the following task based on the instruction and optional input provided.### Instruction:
Determine the missing elements from the given puzzle.

### Input:
[2,_,6]
[5,7,_]
[9,_,3]

### Output:
The missing elements in the puzzle are as follows: 
[2,4,6]
[5,7,8]
[9,1,3]