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{"x": 0.1, "y": 0.9, "z": 0.75, "a":0.1, "b":0.1, "c":0.1, "ambient": [0.0,0.1,0.0], "diffuse": [0.0,0.6,0.0], "specular": [0.3,0.3,0.3], "n": 5},
{"x": 0.7, "y": 0.7, "z": 0.55, "a":0.1, "b":0.1, "c":0.1, "ambient": [0.0,0.0,0.1], "diffuse": [0.0,0.0,0.6], "specular": [0.3,0.3,0.3], "n": 7}, 
{"x": 0.9, "y": 0.1, "z": 0.75, "a":0.1, "b":0.1, "c":0.1, "ambient": [0.1,0.0,0.1], "diffuse": [0.6,0.0,0.6], "specular": [0.3,0.3,0.3], "n": 9},
{"x": 0.5, "y": 0.5, "z": 0.75, "a":0.1, "b":0.1, "c":0.1, "ambient": [0.1,0.1,0.0], "diffuse": [0.6,0.6,0.0], "specular": [0.3,0.3,0.3], "n": 11}
]