title: Get 9 most common RBG values from table of RGB values
body: <p>Quick question.</p>
  <p>I've got a table as such:</p>
  <pre><code>[
    [ 86, 81, 89 ],    [ 86, 81, 89 ],    [ 86, 81, 89 ],    [ 83, 78, 84 ],
    [ 86, 81, 89 ],    [ 83, 78, 84 ],    [ 86, 81, 89 ],    [ 86, 81, 89 ],
    [ 83, 78, 84 ],    [ 83, 78, 84 ],    [ 80, 74, 80 ],    [ 76, 69, 76 ],
    [ 76, 69, 76 ],    [ 76, 69, 76 ],    [ 73, 65, 71 ],    [ 67, 63, 70 ],
    [ 67, 63, 70 ],    [ 68, 60, 64 ],    [ 66, 56, 58 ],    [ 57, 51, 59 ],
    [ 66, 56, 58 ],    [ 66, 56, 58 ],    [ 68, 60, 64 ],    [ 68, 60, 64 ],
    [ 68, 60, 64 ],    [ 67, 63, 70 ],    [ 73, 65, 71 ],    [ 76, 69, 76 ],
    [ 76, 69, 76 ],    [ 76, 69, 76 ],    [ 76, 69, 76 ],    [ 73, 65, 71 ],
    [ 73, 65, 71 ],    [ 68, 60, 64 ],    [ 68, 60, 64 ],    [ 68, 60, 64 ],
    [ 66, 56, 58 ],    [ 57, 51, 59 ],    [ 63, 52, 51 ],    [ 63, 52, 51 ],
    [ 56, 47, 48 ],    [ 56, 47, 48 ],    [ 57, 51, 59 ],    [ 63, 52, 51 ],
    [ 57, 51, 59 ],    [ 66, 56, 58 ],    [ 66, 56, 58 ],    [ 68, 60, 64 ],
    [ 66, 56, 58 ],    [ 57, 51, 59 ],    [ 66, 56, 58 ],    [ 68, 60, 64 ],
    [ 67, 63, 70 ],    [ 76, 69, 76 ],    [ 83, 78, 84 ],    [ 86, 81, 89 ],
    [ 86, 81, 89 ],    [ 93, 87, 96 ],    [ 100, 96, 105 ],  [ 109, 104, 108 ],
    [ 115, 108, 112 ], [ 119, 114, 120 ], [ 128, 122, 125 ], [ 134, 130, 137 ],
    [ 134, 130, 137 ], [ 127, 125, 135 ], [ 134, 130, 137 ], [ 134, 130, 137 ],
    [ 134, 130, 137 ], [ 134, 130, 137 ], [ 134, 130, 137 ], [ 134, 130, 137 ],
    [ 134, 130, 137 ], [ 134, 130, 137 ], [ 134, 130, 137 ], [ 135, 133, 143 ],
    [ 143, 140, 145 ], [ 146, 143, 149 ], [ 149, 146, 152 ], [ 149, 146, 152 ],
    [ 149, 146, 152 ], [ 152, 145, 147 ], [ 149, 146, 152 ], [ 149, 143, 144 ],
    [ 146, 143, 149 ], [ 143, 140, 145 ], [ 143, 140, 145 ], [ 141, 137, 141 ],
    [ 149, 146, 152 ], [ 157, 151, 154 ], [ 162, 160, 165 ], [ 168, 166, 171 ],
    [ 174, 169, 172 ], [ 174, 169, 172 ], [ 168, 166, 171 ], [ 169, 164, 165 ],
    [ 166, 160, 161 ], [ 160, 154, 155 ], [ 155, 148, 149 ], [ 149, 143, 144 ],
    ... 50525 more items
  ]
  </code></pre>
  <p>How would i get the 9 most common RGB values in that there table?</p>
  <p>Thanks in advance.</p>