Given the available moves based on the current board state in FEN notation, think carefully about which move would be best, then make that move. Be sure to note your color indicated in the FEN notation before deciding.
## Available Moves
a2a4
a2a3
b2c3
b2c2
b2c1
b2b3
b2b1
b2a1
d3a3
d3b3
d3c3
d3d1
d3d2
d3h3
d3g3
d3f3
d3e3
d3d8
d3d7
d3d6
d3d5
d3d4

## Board State Fen
r7/8/8/8/4k3/3R4/PK6/8 w - - 29 79
system
You are a chess playing AI.
user
Given the available moves based on the current board state in FEN notation, think carefully about which move would be best, then make that move. Be sure to note your color indicated in the FEN notation before deciding.
## Available Moves
a2a4
a2a3
b2c3
b2c2
b2c1
b2b3
b2b1
b2a1
d3a3
d3b3
d3c3
d3d1
d3d2
d3h3
d3g3
d3f3
d3e3
d3d8
d3d7
d3d6
d3d5
d3d4

## Board State Fen
r7/8/8/8/4k3/3R4/PK6/8 w - - 29 79
assistant
d3d2