{"type": "Simple2DProblem", 
"board": [
    [0, 0, 0, 0, 0], 
    [0, 1, 0, 1, 0], 
    [0, 1, 0, 1, 0], 
    [0, 1, 1, 1, 1], 
    [0, 0, 0, 0, 0]
], 
"costs": [
    [3, 2, 4, 4, 1], 
    [2, 3, 4, 2, 2], 
    [3, 3, 3, 1, 4], 
    [2, 4, 2, 2, 1], 
    [4, 3, 4, 1, 2]
], 
"start_state": [0, 0], 
"end_state": [4, 4]}