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chromium/third_party/blink/web_tests/fast/forms/range/input-appearance-range-rtl.html 

<!DOCTYPE html>
<meta name=fuzzy content="maxDifference=0-3; totalPixels=0-100">
<html>
<body>
<div><input type=range value=0 dir=rtl></div>
<div><input type=range value=50 dir=rtl></div>
<div><input type=range value=100 dir=rtl></div>
<div><input type=range value=100 style="direction:rtl"></div>
<div><input type=range value=100 id=r1></div>
<div><input type=range value=100 id=r2></div>
<div><input type=range value=0 id=r3 dir=rtl></div>
<div><input type=range value=0 id=r4 style="direction:rtl"></div>
<div><input type=range style="writing-mode:vertical-lr; height:140px;" value=80 dir=rtl></div>
<script>
document.getElementById('r1').dir = 'rtl';
document.getElementById('r2').style.direction = 'rtl';
document.getElementById('r3').dir = 'ltr';
document.getElementById('r4').style.direction = 'ltr';
</script>
</body>
</html>