Changes

<p><math>\begin{array}{l} 6\!:\!1 \\ 13 \end{array}</math></p>

<p><math>\begin{array}{l} 6\!:\!1 \\ 13 \end{array}</math></p>

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<p><math>\cdots</math></p><br>

<p>[[Image:Riff 14 Big.jpg|90px]]</p><br>

<p><math>\text{p} \text{p}_{\text{p}^{\text{p}}}\!</math></p><br>

<p><math>\text{p} \text{p}_{\text{p}^{\text{p}}}\!</math></p><br>

<p><math>\begin{array}{l} 1\!:\!1 ~~ 4\!:\!1 \\ 14 \end{array}</math></p>

<p><math>\begin{array}{l} 1\!:\!1 ~~ 4\!:\!1 \\ 14 \end{array}</math></p>

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<p><math>\cdots</math></p><br>

<p>[[Image:Riff 15 Big.jpg|90px]]</p><br>

<p><math>\text{p}_\text{p} \text{p}_{\text{p}_{\text{p}}}\!</math></p><br>

<p><math>\text{p}_\text{p} \text{p}_{\text{p}_{\text{p}}}\!</math></p><br>

<p><math>\begin{array}{l} 2\!:\!1 ~~ 3\!:\!1 \\ 15 \end{array}</math></p>

<p><math>\begin{array}{l} 2\!:\!1 ~~ 3\!:\!1 \\ 15 \end{array}</math></p>