Puzzle 9: Hidden Mines

There are 7 hidden mines in the diagram above.
Each arrow shows the nearest mine at the four main directions.(If there is a mine in that cell, that mine will be ignored.)
If there are the mines at the same distance more than one direction, the arrows had been located with the priority order like .
(For instance, There are two mines at the 2 unit left and 2 unit down, the left arrow had been located.)

If there is no mine at any of the four main directions of  a cell, then (the left arrow)  had been used.

Only one mine can be used at one cell.

Three of the arrows show the opposite direction of  the directions they were actualy showing.

Find these 7 hidden mines.

As answer, enter the coordinates of the mines, by seperating with commas, with UPPERCASE, without any space and with alphabetical order.

(Your answering format must be like this: A3,B5,C1,C4,D2,E5,E6)