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<label for=c>Code:</label><br/><textarea style="width:100%;height:15em;white-space:pre" id=c>+++++++++++++[-&gt;&gt;&gt;++&gt;+++++++&gt;++++&gt;&gt;&gt;&gt;++++++++&gt;+++&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;]&gt;&gt;&gt;+&gt;&gt;#-&gt;$#&gt;$#+++++++&gt;$---&gt;+++++[&lt;]&lt;&lt; init sequence to cells 3 to 10&#10;+++++[-&gt;+++++&gt;++++++&lt;&lt;] set cells 1~2 to 25 &amp; 30&#10;&gt;+ set cell 1 to 26&#10;# push 26 to stack&#10;&gt; go to cell 2&#10;( do 30 times&#10;    $# get 26 to this cell from stack&#10;    ( do 26 times&#10;        [-]&gt;[.&gt;]&lt;[&lt;] print sequence&#10;    )&#10;    &gt;&gt;&gt;&gt;+++&lt;&lt;&lt;&lt; change color to white&#10;    $# get 26 to this cell from stack&#10;    ( do 26 times&#10;        [-]&gt;[.&gt;]&lt;[&lt;] print sequence&#10;    )&#10;    &gt;&gt;&gt;&gt;------&lt;&lt;&lt;&lt; change color to red&#10;    $# get 26 to this cell from stack&#10;    ( do 26 times&#10;        [-]&gt;[.&gt;]&lt;[&lt;] print sequence&#10;    )&#10;    &gt;&gt;&gt;&gt;+++&lt;&lt;&lt;&lt; change color to blue&#10;    ++++++++++. print newline&#10;)</textarea><br/><button id=r>Run</button><br/><label for=i>Input:</label><br/><textarea id=i style="width:100%"></textarea><br/><label for=o>Output:</label><br/><textarea readonly id=o style="width:100%;height:15em;white-space:pre"></textarea>