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  9.     <title>ImageMagick: Command-line Tools: Composite</title>
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    29. 

  29. <body>
    30. 

  30. <div class="main">
    31. 

  31. <div class="magick-masthead">
    32. 

  32.   <div class="container">
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  43.       <a class="magick-nav-item " href="binary-releases.php">Download</a>
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  44.       <a class="magick-nav-item " href="command-line-tools.php">Tools</a>
    45. 

  45.       <a class="magick-nav-item " href="command-line-processing.php">Command-line</a>
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  46.       <a class="magick-nav-item " href="resources.php">Resources</a>
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  47.       <a class="magick-nav-item " href="api.php">Develop</a>
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    52. 

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    53. 

  53. <div class="container">
    54. 

  54. <div class="magick-header">
    55. 

  55. <p class="text-center"><a href="composite.php#usage">Example Usage</a> • <a href="composite.php#options">Option Summary</a></p>
    56. 

  56. 

  57. <p class="lead magick-description">Use the <code>composite</code> program to overlap one image over another.  See <a href="command-line-processing.php">Command Line Processing</a> for advice on how to structure your <code>composite</code> command or see below for example usages of the command.</p>
    58. 

  58. 

  59. <h2 class="magick-header"><a id="usage"></a>Example Usage</h2>
    60. 

  60. 

  61. <p>We list a few examples of the <code>composite</code> command here to illustrate its usefulness and ease of use.  To get started, lets overlay a smiley face over a rose:</p>
    62. 

  62. 

  63. <pre>
    64. 

  64. composite -gravity center smile.gif  rose: rose-over.png
    65. 

  65. </pre>
    66. 

  66. 

  67. <ul>
    68. 

  68.   <a href="../image/smile.gif"><img src="../image/smile.gif" width="48" height="48" alt="smile" /></a>
    69. 

  69.   <img src="../image/over.gif" width="56" height="46" alt="over" />
    70. 

  70.   <a href="../image/rose.jpg"><img src="../image/rose.jpg" width="70" height="46" alt="rose" /></a>
    71. 

  71.   <img style="margin-top:13px; margin-bottom:13px;" src="../image/right.gif" width="20" height="20" alt="==>" />
    72. 

  72.   <a href="../image/rose-over.png"><img src="../image/rose-over.png" width="70" height="46" alt="rose" /></a>
    73. 

  73. </ul>
    74. 

  74. 

  75. <p>You can create three-dimensional effect with the <var>Atop</var>:</p>
    76. 

  76. 

  77. <pre>
    78. 

  78. convert -size 70x70 canvas:none -fill red -draw 'circle 35,35 10,30' red-circle.png
    79. 

  79. convert -size 70x70 canvas:none -draw 'circle 35,35 35,20' -negate \
    80. 

  80. -channel A -gaussian-blur 0x8 white-highlight.png
    81. 

  81. composite -compose atop -geometry -13-17 white-highlight.png red-circle.png red-ball.png
    82. 

  82. </pre>
    83. 

  83. 

  84. <ul>
    85. 

  85.   <a href="../image/white-highlight.png"><img src="../image/white-highlight.png" width="70" height="70" alt="white highlight" /></a>
    86. 

  86.   <img src="../image/atop.gif" width="56" height="70" alt="atop" />
    87. 

  87.   <a href="../image/red-circle.png"><img src="../image/red-circle.png" width="70" height="70" alt="red circle" /></a>
    88. 

  88.   <img style="margin-top:25px; margin-bottom:25px;" src="../image/right.gif" width="20" height="20" alt="==>" />
    89. 

  89.   <a href="../image/red-ball.png"><img src="../image/red-ball.png" width="70" height="70" alt="red ball" /></a>
    90. 

  90. </ul>
    91. 

  91. 

  92. <p>You can find additional examples of using <code>composite</code> in <a href="http://www.imagemagick.org/Usage/">Examples of ImageMagick Usage</a>.  You can find out more about them and the mathematics by looking at <a href="http://www.w3.org/TR/SVG12/rendering.html">SVG Alpha Compositing</a></p>
    93. 

  93. 

  94. <h2 class="magick-header"><a id="options"></a>Option Summary</h2>
    95. 

  95. 

  96. <p>The <code>composite</code> command recognizes these options.  Click on an option to get more details about how that option works.</p>
    97. 

  97. 

  98. <table class="table table-condensed table-striped">
    99. 

  99.   <tbody>
    100. 

  100.   <tr>
    101. 

  101.     <th align="left">Option</th>
    102. 

  102.     <th align="left">Description</th>
    103. 

  103.   </tr>
    104. 

  104. 

  105.   <tr>
    106. 

  106.     <td><a href="command-line-options.php#affine">-affine <var>matrix</var></a></td>
    107. 

  107.     <td>affine transform matrix</td>
    108. 

  108.   </tr>
    109. 

  109. 

  110.   <tr>
    111. 

  111.     <td><a href="command-line-options.php#alpha">-alpha</a></td>
    112. 

  112.     <td>on, activate, off, deactivate, set, opaque, copy",
    113. 

  113. transparent, extract, background, or shape the alpha channel</td>
    114. 

  114.   </tr>
    115. 

  115. 

  116.   <tr>
    117. 

  117.     <td><a href="command-line-options.php#authenticate">-authenticate <var>value</var></a></td>
    118. 

  118.     <td>decrypt image with this password</td>
    119. 

  119.   </tr>
    120. 

  120. 

  121.   <tr>
    122. 

  122.     <td><a href="command-line-options.php#blend">-blend <var>geometry</var></a></td>
    123. 

  123.     <td>blend images</td>
    124. 

  124.   </tr>
    125. 

  125. 

  126.   <tr>
    127. 

  127.     <td><a href="command-line-options.php#blue-primary">-blue-primary <var>point</var></a></td>
    128. 

  128.     <td>chromaticity blue primary point</td>
    129. 

  129.   </tr>
    130. 

  130. 

  131. 

  132.   <tr>
    133. 

  133.     <td><a href="command-line-options.php#border">-border <var>geometry</var></a></td>
    134. 

  134.     <td>surround image with a border of color</td>
    135. 

  135.   </tr>
    136. 

  136. 

  137.   <tr>
    138. 

  138.     <td><a href="command-line-options.php#bordercolor">-bordercolor <var>color</var></a></td>
    139. 

  139.     <td>border color</td>
    140. 

  140.   </tr>
    141. 

  141. 

  142.   <tr>
    143. 

  143.     <td><a href="command-line-options.php#channel">-channel <var>type</var></a></td>
    144. 

  144.     <td>apply option to select image channels</td>
    145. 

  145.   </tr>
    146. 

  146. 

  147.   <tr>
    148. 

  148.     <td><a href="command-line-options.php#colors">-colors <var>value</var></a></td>
    149. 

  149.     <td>preferred number of colors in the image</td>
    150. 

  150.   </tr>
    151. 

  151. 

  152.   <tr>
    153. 

  153.     <td><a href="command-line-options.php#colorspace">-colorspace <var>type</var></a></td>
    154. 

  154.     <td>set image colorspace</td>
    155. 

  155.   </tr>
    156. 

  156. 

  157.   <tr>
    158. 

  158.     <td><a href="command-line-options.php#comment">-comment <var>string</var></a></td>
    159. 

  159.     <td>annotate image with comment</td>
    160. 

  160.   </tr>
    161. 

  161. 

  162.   <tr>
    163. 

  163.     <td><a href="command-line-options.php#compose">-compose <var>operator</var></a></td>
    164. 

  164.     <td>set image composite operator</td>
    165. 

  165.   </tr>
    166. 

  166. 

  167.   <tr>
    168. 

  168.     <td><a href="command-line-options.php#compress">-compress <var>type</var></a></td>
    169. 

  169.     <td>image compression type</td>
    170. 

  170.   </tr>
    171. 

  171. 

  172.   <tr>
    173. 

  173.     <td><a href="command-line-options.php#debug">-debug <var>events</var></a></td>
    174. 

  174.     <td>display copious debugging information</td>
    175. 

  175.   </tr>
    176. 

  176. 

  177.   <tr>
    178. 

  178.     <td><a href="command-line-options.php#decipher">-decipher <var>filename</var></a></td>
    179. 

  179.     <td>convert cipher pixels to plain</td>
    180. 

  180.   </tr>
    181. 

  181. 

  182.   <tr>
    183. 

  183.     <td><a href="command-line-options.php#define">-define <var>format:option</var></a></td>
    184. 

  184.     <td>define one or more image format options</td>
    185. 

  185.   </tr>
    186. 

  186. 

  187.   <tr>
    188. 

  188.     <td><a href="command-line-options.php#density">-density <var>geometry</var></a></td>
    189. 

  189.     <td>horizontal and vertical density of the image</td>
    190. 

  190.   </tr>
    191. 

  191. 

  192.   <tr>
    193. 

  193.     <td><a href="command-line-options.php#depth">-depth <var>value</var></a></td>
    194. 

  194.     <td>image depth</td>
    195. 

  195.   </tr>
    196. 

  196. 

  197.   <tr>
    198. 

  198.     <td><a href="command-line-options.php#displace">-displace <var>geometry</var></a></td>
    199. 

  199.     <td>shift image pixels defined by a displacement map</td>
    200. 

  200.   </tr>
    201. 

  201. 

  202.   <tr>
    203. 

  203.     <td><a href="command-line-options.php#dissolve">-dissolve <var>value</var></a></td>
    204. 

  204.     <td>dissolve the two images a given percent</td>
    205. 

  205.   </tr>
    206. 

  206. 

  207.   <tr>
    208. 

  208.     <td><a href="command-line-options.php#dither">-dither  <var>method</var></a></td>
    209. 

  209.     <td>apply error diffusion to image</td>
    210. 

  210.   </tr>
    211. 

  211. 

  212.   <tr>
    213. 

  213.     <td><a href="command-line-options.php#encipher">-encipher <var>filename</var></a></td>
    214. 

  214.     <td>convert plain pixels to cipher pixels</td>
    215. 

  215.   </tr>
    216. 

  216. 

  217.   <tr>
    218. 

  218.     <td><a href="command-line-options.php#encoding">-encoding <var>type</var></a></td>
    219. 

  219.     <td>text encoding type</td>
    220. 

  220.   </tr>
    221. 

  221. 

  222.   <tr>
    223. 

  223.     <td><a href="command-line-options.php#endian">-endian <var>type</var></a></td>
    224. 

  224.     <td>endianness (MSB or LSB) of the image</td>
    225. 

  225.   </tr>
    226. 

  226. 

  227.   <tr>
    228. 

  228.     <td><a href="command-line-options.php#extract">-extract <var>geometry</var></a></td>
    229. 

  229.     <td>extract area from image</td>
    230. 

  230.   </tr>
    231. 

  231. 

  232.   <tr>
    233. 

  233.     <td><a href="command-line-options.php#filter">-filter <var>type</var></a></td>
    234. 

  234.     <td>use this filter when resizing an image</td>
    235. 

  235.   </tr>
    236. 

  236. 

  237.   <tr>
    238. 

  238.     <td><a href="command-line-options.php#font">-font <var>name</var></a></td>
    239. 

  239.     <td>render text with this font</td>
    240. 

  240.   </tr>
    241. 

  241. 

  242.   <tr>
    243. 

  243.     <td><a href="command-line-options.php#geometry">-geometry <var>geometry</var></a></td>
    244. 

  244.     <td>preferred size or location of the image</td>
    245. 

  245.   </tr>
    246. 

  246. 

  247.   <tr>
    248. 

  248.     <td><a href="command-line-options.php#gravity">-gravity <var>type</var></a></td>
    249. 

  249.     <td>horizontal and vertical text placement</td>
    250. 

  250.   </tr>
    251. 

  251. 

  252.   <tr>
    253. 

  253.     <td><a href="command-line-options.php#green-primary">-green-primary <var>point</var></a></td>
    254. 

  254.     <td>chromaticity green primary point</td>
    255. 

  255.   </tr>
    256. 

  256. 

  257.   <tr>
    258. 

  258.     <td><a href="command-line-options.php#help">-help</a></td>
    259. 

  259.     <td>print program options</td>
    260. 

  260.   </tr>
    261. 

  261. 

  262.   <tr>
    263. 

  263.     <td><a href="command-line-options.php#identify">-identify</a></td>
    264. 

  264.     <td>identify the format and characteristics of the image</td>
    265. 

  265.   </tr>
    266. 

  266. 

  267.   <tr>
    268. 

  268.     <td><a href="command-line-options.php#interlace">-interlace <var>type</var></a></td>
    269. 

  269.     <td>type of image interlacing scheme</td>
    270. 

  270.   </tr>
    271. 

  271. 

  272.   <tr>
    273. 

  273.     <td><a href="command-line-options.php#interpolate">-interpolate <var>method</var></a></td>
    274. 

  274.     <td>pixel color interpolation method</td>
    275. 

  275.   </tr>
    276. 

  276. 

  277.   <tr>
    278. 

  278.     <td><a href="command-line-options.php#label">-label <var>string</var></a></td>
    279. 

  279.     <td>assign a label to an image</td>
    280. 

  280.   </tr>
    281. 

  281. 

  282.   <tr>
    283. 

  283.     <td><a href="command-line-options.php#level">-level <var>value</var></a></td>
    284. 

  284.     <td>adjust the level of image contrast</td>
    285. 

  285.   </tr>
    286. 

  286. 

  287.   <tr>
    288. 

  288.     <td><a href="command-line-options.php#limit">-limit <var>type value</var></a></td>
    289. 

  289.     <td>pixel cache resource limit</td>
    290. 

  290.   </tr>
    291. 

  291. 

  292.   <tr>
    293. 

  293.     <td><a href="command-line-options.php#log">-log <var>format</var></a></td>
    294. 

  294.     <td>format of debugging information</td>
    295. 

  295.   </tr>
    296. 

  296. 

  297.   <tr>
    298. 

  298.     <td><a href="command-line-options.php#monitor">-monitor</a></td>
    299. 

  299.     <td>monitor progress</td>
    300. 

  300.   </tr>
    301. 

  301. 

  302.   <tr>
    303. 

  303.     <td><a href="command-line-options.php#monochrome">-monochrome</a></td>
    304. 

  304.     <td>transform image to black and white</td>
    305. 

  305.   </tr>
    306. 

  306. 

  307.   <tr>
    308. 

  308.     <td><a href="command-line-options.php#negate">-negate</a></td>
    309. 

  309.     <td>replace each pixel with its complementary color </td>
    310. 

  310.   </tr>
    311. 

  311. 

  312.   <tr>
    313. 

  313.     <td><a href="command-line-options.php#page">-page <var>geometry</var></a></td>
    314. 

  314.     <td>size and location of an image canvas (setting)</td>
    315. 

  315.   </tr>
    316. 

  316. 

  317.   <tr>
    318. 

  318.     <td><a href="command-line-options.php#pointsize">-pointsize <var>value</var></a></td>
    319. 

  319.     <td>font point size</td>
    320. 

  320.   </tr>
    321. 

  321. 

  322.   <tr>
    323. 

  323.     <td><a href="command-line-options.php#profile">-profile <var>filename</var></a></td>
    324. 

  324.     <td>add, delete, or apply an image profile</td>
    325. 

  325.   </tr>
    326. 

  326. 

  327.   <tr>
    328. 

  328.     <td><a href="command-line-options.php#quality">-quality <var>value</var></a></td>
    329. 

  329.     <td>JPEG/MIFF/PNG compression level</td>
    330. 

  330.   </tr>
    331. 

  331. 

  332.   <tr>
    333. 

  333.     <td><a href="command-line-options.php#quantize">-quantize <var>colorspace</var></a></td>
    334. 

  334.     <td>reduce image colors in this colorspace</td>
    335. 

  335.   </tr>
    336. 

  336. 

  337.   <tr>
    338. 

  338.     <td><a href="command-line-options.php#quiet">-quiet</a></td>
    339. 

  339.     <td>suppress all warning messages</td>
    340. 

  340.   </tr>
    341. 

  341. 

  342.   <tr>
    343. 

  343.     <td><a href="command-line-options.php#red-primary">-red-primary <var>point</var></a></td>
    344. 

  344.     <td>chromaticity red primary point</td>
    345. 

  345.   </tr>
    346. 

  346. 

  347.   <tr>
    348. 

  348.     <td><a href="command-line-options.php#regard-warnings">-regard-warnings</a></td>
    349. 

  349.     <td>pay attention to warning messages.</td>
    350. 

  350.   </tr>
    351. 

  351. 

  352.   <tr>
    353. 

  353.     <td><a href="command-line-options.php#respect-parentheses">-respect-parentheses</a></td>
    354. 

  354.     <td>settings remain in effect until parenthesis boundary.</td>
    355. 

  355.   </tr>
    356. 

  356. 

  357.   <tr>
    358. 

  358.     <td><a href="command-line-options.php#rotate">-rotate <var>degrees</var></a></td>
    359. 

  359.     <td>apply Paeth rotation to the image</td>
    360. 

  360.   </tr>
    361. 

  361. 

  362.   <tr>
    363. 

  363.     <td><a href="command-line-options.php#sampling-factor">-sampling-factor <var>geometry</var></a></td>
    364. 

  364.     <td>horizontal and vertical sampling factor</td>
    365. 

  365.   </tr>
    366. 

  366. 

  367.   <tr>
    368. 

  368.     <td><a href="command-line-options.php#scene">-scene <var>value</var></a></td>
    369. 

  369.     <td>image scene number</td>
    370. 

  370.   </tr>
    371. 

  371. 

  372.   <tr>
    373. 

  373.     <td><a href="command-line-options.php#seed">-seed <var>value</var></a></td>
    374. 

  374.     <td>seed a new sequence of pseudo-random numbers</td>
    375. 

  375.   </tr>
    376. 

  376. 

  377.   <tr>
    378. 

  378.     <td><a href="command-line-options.php#set">-set <var>attribute value</var></a></td>
    379. 

  379.     <td>set an image attribute</td>
    380. 

  380.   </tr>
    381. 

  381. 

  382.   <tr>
    383. 

  383.     <td><a href="command-line-options.php#sharpen">-sharpen <var>geometry</var></a></td>
    384. 

  384.     <td>sharpen the image</td>
    385. 

  385.   </tr>
    386. 

  386. 

  387.   <tr>
    388. 

  388.     <td><a href="command-line-options.php#shave">-shave <var>geometry</var></a></td>
    389. 

  389.     <td>shave pixels from the image edges</td>
    390. 

  390.   </tr>
    391. 

  391. 

  392.   <tr>
    393. 

  393.     <td><a href="command-line-options.php#size">-size <var>geometry</var></a></td>
    394. 

  394.     <td>width and height of image</td>
    395. 

  395.   </tr>
    396. 

  396. 

  397.   <tr>
    398. 

  398.     <td><a href="command-line-options.php#stegano">-stegano <var>offset</var></a></td>
    399. 

  399.     <td>hide watermark within an image</td>
    400. 

  400.   </tr>
    401. 

  401. 

  402.   <tr>
    403. 

  403.     <td><a href="command-line-options.php#stereo">-stereo <var>geometry</var></a></td>
    404. 

  404.     <td>combine two image to create a stereo anaglyph</td>
    405. 

  405.   </tr>
    406. 

  406. 

  407.   <tr>
    408. 

  408.     <td><a href="command-line-options.php#strip">-strip</a></td>
    409. 

  409.     <td>strip image of all profiles and comments</td>
    410. 

  410.   </tr>
    411. 

  411. 

  412.   <tr>
    413. 

  413.     <td><a href="command-line-options.php#swap">-swap <var>indexes</var></a></td>
    414. 

  414.     <td>swap two images in the image sequence</td>
    415. 

  415.   </tr>
    416. 

  416. 

  417.   <tr>
    418. 

  418.     <td><a href="command-line-options.php#synchronize">-synchronize</a></td>
    419. 

  419.     <td>synchronize image to storage device</td>
    420. 

  420.   </tr>
    421. 

  421. 

  422.   <tr>
    423. 

  423.     <td><a href="command-line-options.php#taint">-taint</a></td>
    424. 

  424.     <td>mark the image as modified</td>
    425. 

  425.   </tr>
    426. 

  426. 

  427.   <tr>
    428. 

  428.     <td><a href="command-line-options.php#thumbnail">-thumbnail <var>geometry</var></a></td>
    429. 

  429.     <td>create a thumbnail of the image</td>
    430. 

  430.   </tr>
    431. 

  431. 

  432.   <tr>
    433. 

  433.     <td><a href="command-line-options.php#tile">-tile</a></td>
    434. 

  434.     <td>repeat composite operation across and down image</td>
    435. 

  435.   </tr>
    436. 

  436. 

  437.   <tr>
    438. 

  438.     <td><a href="command-line-options.php#transform">-transform</a></td>
    439. 

  439.     <td>affine transform image</td>
    440. 

  440.   </tr>
    441. 

  441. 

  442.   <tr>
    443. 

  443.     <td><a href="command-line-options.php#transparent-color">-transparent-color <var>color</var></a></td>
    444. 

  444.     <td>transparent color</td>
    445. 

  445.   </tr>
    446. 

  446. 

  447.   <tr>
    448. 

  448.     <td><a href="command-line-options.php#treedepth">-treedepth <var>value</var></a></td>
    449. 

  449.     <td>color tree depth</td>
    450. 

  450.   </tr>
    451. 

  451. 

  452.   <tr>
    453. 

  453.     <td><a href="command-line-options.php#type">-type <var>type</var></a></td>
    454. 

  454.     <td>image type</td>
    455. 

  455.   </tr>
    456. 

  456. 

  457.   <tr>
    458. 

  458.     <td><a href="command-line-options.php#units">-units <var>type</var></a></td>
    459. 

  459.     <td>the units of image resolution</td>
    460. 

  460.   </tr>
    461. 

  461. 

  462.   <tr>
    463. 

  463.     <td><a href="command-line-options.php#unsharp">-unsharp <var>geometry</var></a></td>
    464. 

  464.     <td>sharpen the image</td>
    465. 

  465.   </tr>
    466. 

  466. 

  467.   <tr>
    468. 

  468.     <td><a href="command-line-options.php#verbose">-verbose</a></td>
    469. 

  469.     <td>print detailed information about the image</td>
    470. 

  470.   </tr>
    471. 

  471. 

  472.   <tr>
    473. 

  473.     <td><a href="command-line-options.php#version">-version</a></td>
    474. 

  474.     <td>print version information</td>
    475. 

  475.   </tr>
    476. 

  476. 

  477.   <tr>
    478. 

  478.     <td><a href="command-line-options.php#virtual-pixel">-virtual-pixel <var>method</var></a></td>
    479. 

  479.     <td>access method for pixels outside the boundaries of the image</td>
    480. 

  480.   </tr>
    481. 

  481. 

  482.   <tr>
    483. 

  483.     <td><a href="command-line-options.php#watermark">-watermark <var>geometry</var></a></td>
    484. 

  484.     <td>percent brightness and saturation of a watermark</td>
    485. 

  485.   </tr>
    486. 

  486. 

  487.   <tr>
    488. 

  488.     <td><a href="command-line-options.php#white-point">-white-point <var>point</var></a></td>
    489. 

  489.     <td>chromaticity white point</td>
    490. 

  490.   </tr>
    491. 

  491. 

  492.   <tr>
    493. 

  493.     <td><a href="command-line-options.php#white-threshold">-white-threshold <var>value</var></a></td>
    494. 

  494.     <td>force all pixels above the threshold into white</td>
    495. 

  495.   </tr>
    496. 

  496. 

  497.   <tr>
    498. 

  498.     <td><a href="command-line-options.php#write">-write <var>filename</var></a></td>
    499. 

  499.     <td>write images to this file</td>
    500. 

  500.   </tr>
    501. 

  501. 

  502.   </tbody>
    503. 

  503. </table>
    504. 

  504. </div>
    505. 

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    508. 

  508.     <a href="links.php">Related</a> •
    509. 

  509.     <a href="architecture.php">Architecture</a>
    510. 

  510. </p>
    511. 

  511.     <p><a href="composite.php#">Back to top</a> •
    512. 

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    513. 

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    514. 

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    515. 

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