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<!DOCTYPE HTML>
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<html>
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<body>
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<canvas id="c" width="200" height="200" style="border:1px solid black; transform:scaleY(-1);"></canvas>
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<script>
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var ctx = document.getElementById("c").getContext("2d");
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ctx.fillStyle = "blue";
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ctx.fillRect(0, 0, 200, 50);
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</script>
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</body>
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</html>
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