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text run at (0,0) width 561: "In this test, you should see three blocks that are centered horizontally within a black box. "
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text run at (0,18) width 303: "with the green box in between two olive boxes. "
text run at (303,18) width 311: "The olive boxes and the green box should be 100"
text run at (614,18) width 163: "x100, and there should be"
text run at (0,36) width 325: "50 pixels of padding on either side of the box stack."
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