
var dots = [
    [
        'digraph  {',
        '    node [style="filled"]',
        '    edge [tooltip="Edge \\\\E" URL="Link \\\E"]',
        '    a [fillcolor="#d62728"]',
        '    b [fillcolor="#1f77b4"]',
        '    c [fillcolor="#2ca02c"]',
        '    a -> b',
        '    b -> c',
        '}'
    ],
    [
        'digraph  {',
        '    node [style="filled"]',
        '    edge [tooltip="Edge \\\\E" URL="Link \\\E"]',
        '    a [fillcolor="#d62728"]',
        '    b [fillcolor="#1f7