<svg xmlns="http://www.w3.org/2000/svg" xmlns:wrs="http://www.wiris.com/xml/mathml-extension" height="41" width="49" wrs:baseline="26"><!--MathML: <math xmlns="http://www.w3.org/1998/Math/MathML"><mfenced close="]" open="[" separators="|"><mrow><mfrac><mn>1</mn><mn>2</mn></mfrac><mo>,</mo><mi>&#xA0;</mi><mn>2</mn></mrow></mfenced></math>--><defs><style type="text/css">@font-face{font-family:'math1f7177163c833dff4b38fc8d287';src:url(data:font/truetype;charset=utf-8;base64,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)format('truetype');font-weight:normal;font-style:normal;}@font-face{font-family:'brack_sm4e06b854ad106cdec1d8cc9';src:url(data:font/truetype;charset=utf-8;base64,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)format('truetype');font-weight:normal;font-style:normal;}</style></defs><text font-family="brack_sm4e06b854ad106cdec1d8cc9" font-size="16" text-anchor="start" x="1.5" y="5">&#x23A1;</text><text font-family="brack_sm4e06b854ad106cdec1d8cc9" font-size="16" text-anchor="start" x="1.5" y="10">&#x23A2;</text><text font-family="brack_sm4e06b854ad106cdec1d8cc9" font-size="16" text-anchor="start" x="1.5" y="15">&#x23A2;</text><text font-family="brack_sm4e06b854ad106cdec1d8cc9" font-size="16" text-anchor="start" x="1.5" y="20">&#x23A2;</text><text font-family="brack_sm4e06b854ad106cdec1d8cc9" font-size="16" text-anchor="start" x="1.5" y="25">&#x23A2;</text><text font-family="brack_sm4e06b854ad106cdec1d8cc9" font-size="16" text-anchor="start" x="1.5" y="30">&#x23A2;</text><text font-family="brack_sm4e06b854ad106cdec1d8cc9" font-size="16" text-anchor="start" x="1.5" y="35">&#x23A2;</text><text font-family="brack_sm4e06b854ad106cdec1d8cc9" font-size="16" text-anchor="start" x="1.5" y="40">&#x23A3;</text><text font-family="brack_sm4e06b854ad106cdec1d8cc9" font-size="16" text-anchor="start" x="43.5" y="5">&#x23A4;</text><text font-family="brack_sm4e06b854ad106cdec1d8cc9" font-size="16" text-anchor="start" x="43.5" y="10">&#x23A5;</text><text font-family="brack_sm4e06b854ad106cdec1d8cc9" font-size="16" text-anchor="start" x="43.5" y="15">&#x23A5;</text><text font-family="brack_sm4e06b854ad106cdec1d8cc9" font-size="16" text-anchor="start" x="43.5" y="20">&#x23A5;</text><text font-family="brack_sm4e06b854ad106cdec1d8cc9" font-size="16" text-anchor="start" x="43.5" y="25">&#x23A5;</text><text font-family="brack_sm4e06b854ad106cdec1d8cc9" font-size="16" text-anchor="start" x="43.5" y="30">&#x23A5;</text><text font-family="brack_sm4e06b854ad106cdec1d8cc9" font-size="16" text-anchor="start" x="43.5" y="35">&#x23A5;</text><text font-family="brack_sm4e06b854ad106cdec1d8cc9" font-size="16" text-anchor="start" x="43.5" y="40">&#x23A6;</text><line stroke="#000000" stroke-linecap="square" stroke-width="1" x1="8.5" x2="20.5" y1="20.5" y2="20.5"/><text font-family="Arial" font-size="16" text-anchor="middle" x="14.5" y="15">1</text><text font-family="Arial" font-size="16" text-anchor="middle" x="14.5" y="37">2</text><text font-family="math1f7177163c833dff4b38fc8d287" font-size="16" text-anchor="middle" x="25.5" y="26">,</text><text font-family="Arial" font-size="16" text-anchor="middle" x="37.5" y="26">2</text></svg>