Happy_Birthday

    Moxin knows someone's birthday, Moxin has come up with an interesting topic to say happy birthday to this person,but Moxin feels 

that it is very meaningless to saythat happy birthday, so there is the following encryption method.

    You can convert the first matrix into a sentence and then convert the sentence to the form of the second matrix.

    From the example we can know that this sentence is HAPPYBIRTHDAYXHL, converted to the second matrix as an example

Give an integer n representing the size of the matrix(1 <= n <= 100)，Multiple sets of inputs

Next, give an n*n character matrix

Convert each of the given samples from the first matrix to the second matrix

4
HABI
PYRY
PTAX
HDHL

HAPP
AYXY
DLHB
HTRI