grid_size:row=10,col=10
1111111111
1000000001
1000000001
1000000001
1000011111
1000000001
1000000001
1000000001
1000000001
1111111111
num_robots=2
robot:row=2,col=2,r
robot:row=2,col=3,g
num_goals=3
goal:row=8,col=8,r
goal:row=4,col=2,g
goal:row=3,col=4,k