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/*** jqPlot* Pure JavaScript plotting plugin using jQuery** Version: 1.0.8* Revision: 1250** Copyright (c) 2009-2013 Chris Leonello* jqPlot is currently available for use in all personal or commercial projects* under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL* version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can* choose the license that best suits your project and use it accordingly.** Although not required, the author would appreciate an email letting him* know of any substantial use of jqPlot. You can reach the author at:* chris at jqplot dot com or see http://www.jqplot.com/info.php .** If you are feeling kind and generous, consider supporting the project by* making a donation at: http://www.jqplot.com/donate.php .** sprintf functions contained in jqplot.sprintf.js by Ash Searle:** version 2007.04.27* author Ash Searle* http://hexmen.com/blog/2007/03/printf-sprintf/* http://hexmen.com/js/sprintf.js* The author (Ash Searle) has placed this code in the public domain:* "This code is unrestricted: you are free to use it however you like."** included jsDate library by Chris Leonello:** Copyright (c) 2010-2013 Chris Leonello** jsDate is currently available for use in all personal or commercial projects* under both the MIT and GPL version 2.0 licenses. This means that you can* choose the license that best suits your project and use it accordingly.** jsDate borrows many concepts and ideas from the Date Instance* Methods by Ken Snyder along with some parts of Ken's actual code.** Ken's original Date Instance Methods and copyright notice:** Ken Snyder (ken d snyder at gmail dot com)* 2008-09-10* version 2.0.2 (http://kendsnyder.com/sandbox/date/)* Creative Commons Attribution License 3.0 (http://creativecommons.org/licenses/by/3.0/)** jqplotToImage function based on Larry Siden's export-jqplot-to-png.js.* Larry has generously given permission to adapt his code for inclusion* into jqPlot.** Larry's original code can be found here:** https://github.com/lsiden/export-jqplot-to-png***/(function($) {// This code is a modified version of the canvastext.js code, copyright below://// This code is released to the public domain by Jim Studt, 2007.// He may keep some sort of up to date copy at http://www.federated.com/~jim/canvastext///$.jqplot.CanvasTextRenderer = function(options){this.fontStyle = 'normal'; // normal, italic, oblique [not implemented]this.fontVariant = 'normal'; // normal, small caps [not implemented]this.fontWeight = 'normal'; // normal, bold, bolder, lighter, 100 - 900this.fontSize = '10px';this.fontFamily = 'sans-serif';this.fontStretch = 1.0;this.fillStyle = '#666666';this.angle = 0;this.textAlign = 'start';this.textBaseline = 'alphabetic';this.text;this.width;this.height;this.pt2px = 1.28;$.extend(true, this, options);this.normalizedFontSize = this.normalizeFontSize(this.fontSize);this.setHeight();};$.jqplot.CanvasTextRenderer.prototype.init = function(options) {$.extend(true, this, options);this.normalizedFontSize = this.normalizeFontSize(this.fontSize);this.setHeight();};// convert css spec into point size// returns float$.jqplot.CanvasTextRenderer.prototype.normalizeFontSize = function(sz) {sz = String(sz);var n = parseFloat(sz);if (sz.indexOf('px') > -1) {return n/this.pt2px;}else if (sz.indexOf('pt') > -1) {return n;}else if (sz.indexOf('em') > -1) {return n*12;}else if (sz.indexOf('%') > -1) {return n*12/100;}// default to pixels;else {return n/this.pt2px;}};$.jqplot.CanvasTextRenderer.prototype.fontWeight2Float = function(w) {// w = normal | bold | bolder | lighter | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900// return values adjusted for Hershey font.if (Number(w)) {return w/400;}else {switch (w) {case 'normal':return 1;break;case 'bold':return 1.75;break;case 'bolder':return 2.25;break;case 'lighter':return 0.75;break;default:return 1;break;}}};$.jqplot.CanvasTextRenderer.prototype.getText = function() {return this.text;};$.jqplot.CanvasTextRenderer.prototype.setText = function(t, ctx) {this.text = t;this.setWidth(ctx);return this;};$.jqplot.CanvasTextRenderer.prototype.getWidth = function(ctx) {return this.width;};$.jqplot.CanvasTextRenderer.prototype.setWidth = function(ctx, w) {if (!w) {this.width = this.measure(ctx, this.text);}else {this.width = w;}return this;};// return height in pixels.$.jqplot.CanvasTextRenderer.prototype.getHeight = function(ctx) {return this.height;};// w - height in pt// set heigh in px$.jqplot.CanvasTextRenderer.prototype.setHeight = function(w) {if (!w) {//height = this.fontSize /0.75;this.height = this.normalizedFontSize * this.pt2px;}else {this.height = w;}return this;};$.jqplot.CanvasTextRenderer.prototype.letter = function (ch){return this.letters[ch];};$.jqplot.CanvasTextRenderer.prototype.ascent = function(){return this.normalizedFontSize;};$.jqplot.CanvasTextRenderer.prototype.descent = function(){return 7.0*this.normalizedFontSize/25.0;};$.jqplot.CanvasTextRenderer.prototype.measure = function(ctx, str){var total = 0;var len = str.length;for (var i = 0; i < len; i++) {var c = this.letter(str.charAt(i));if (c) {total += c.width * this.normalizedFontSize / 25.0 * this.fontStretch;}}return total;};$.jqplot.CanvasTextRenderer.prototype.draw = function(ctx,str){var x = 0;// leave room at bottom for descenders.var y = this.height*0.72;var total = 0;var len = str.length;var mag = this.normalizedFontSize / 25.0;ctx.save();var tx, ty;// 1st quadrantif ((-Math.PI/2 <= this.angle && this.angle <= 0) || (Math.PI*3/2 <= this.angle && this.angle <= Math.PI*2)) {tx = 0;ty = -Math.sin(this.angle) * this.width;}// 4th quadrantelse if ((0 < this.angle && this.angle <= Math.PI/2) || (-Math.PI*2 <= this.angle && this.angle <= -Math.PI*3/2)) {tx = Math.sin(this.angle) * this.height;ty = 0;}// 2nd quadrantelse if ((-Math.PI < this.angle && this.angle < -Math.PI/2) || (Math.PI <= this.angle && this.angle <= Math.PI*3/2)) {tx = -Math.cos(this.angle) * this.width;ty = -Math.sin(this.angle) * this.width - Math.cos(this.angle) * this.height;}// 3rd quadrantelse if ((-Math.PI*3/2 < this.angle && this.angle < Math.PI) || (Math.PI/2 < this.angle && this.angle < Math.PI)) {tx = Math.sin(this.angle) * this.height - Math.cos(this.angle)*this.width;ty = -Math.cos(this.angle) * this.height;}ctx.strokeStyle = this.fillStyle;ctx.fillStyle = this.fillStyle;ctx.translate(tx, ty);ctx.rotate(this.angle);ctx.lineCap = "round";// multiplier was 2.0var fact = (this.normalizedFontSize > 30) ? 2.0 : 2 + (30 - this.normalizedFontSize)/20;ctx.lineWidth = fact * mag * this.fontWeight2Float(this.fontWeight);for ( var i = 0; i < len; i++) {var c = this.letter( str.charAt(i));if ( !c) {continue;}ctx.beginPath();var penUp = 1;var needStroke = 0;for ( var j = 0; j < c.points.length; j++) {var a = c.points[j];if ( a[0] == -1 && a[1] == -1) {penUp = 1;continue;}if ( penUp) {ctx.moveTo( x + a[0]*mag*this.fontStretch, y - a[1]*mag);penUp = false;} else {ctx.lineTo( x + a[0]*mag*this.fontStretch, y - a[1]*mag);}}ctx.stroke();x += c.width*mag*this.fontStretch;}ctx.restore();return total;};$.jqplot.CanvasTextRenderer.prototype.letters = {' ': { width: 16, points: [] },'!': { width: 10, points: [[5,21],[5,7],[-1,-1],[5,2],[4,1],[5,0],[6,1],[5,2]] },'"': { width: 16, points: [[4,21],[4,14],[-1,-1],[12,21],[12,14]] },'#': { width: 21, points: [[11,25],[4,-7],[-1,-1],[17,25],[10,-7],[-1,-1],[4,12],[18,12],[-1,-1],[3,6],[17,6]] },'$': { width: 20, points: [[8,25],[8,-4],[-1,-1],[12,25],[12,-4],[-1,-1],[17,18],[15,20],[12,21],[8,21],[5,20],[3,18],[3,16],[4,14],[5,13],[7,12],[13,10],[15,9],[16,8],[17,6],[17,3],[15,1],[12,0],[8,0],[5,1],[3,3]] },'%': { width: 24, points: [[21,21],[3,0],[-1,-1],[8,21],[10,19],[10,17],[9,15],[7,14],[5,14],[3,16],[3,18],[4,20],[6,21],[8,21],[10,20],[13,19],[16,19],[19,20],[21,21],[-1,-1],[17,7],[15,6],[14,4],[14,2],[16,0],[18,0],[20,1],[21,3],[21,5],[19,7],[17,7]] },'&': { width: 26, points: [[23,12],[23,13],[22,14],[21,14],[20,13],[19,11],[17,6],[15,3],[13,1],[11,0],[7,0],[5,1],[4,2],[3,4],[3,6],[4,8],[5,9],[12,13],[13,14],[14,16],[14,18],[13,20],[11,21],[9,20],[8,18],[8,16],[9,13],[11,10],[16,3],[18,1],[20,0],[22,0],[23,1],[23,2]] },'\'': { width: 10, points: [[5,19],[4,20],[5,21],[6,20],[6,18],[5,16],[4,15]] },'(': { width: 14, points: [[11,25],[9,23],[7,20],[5,16],[4,11],[4,7],[5,2],[7,-2],[9,-5],[11,-7]] },')': { width: 14, points: [[3,25],[5,23],[7,20],[9,16],[10,11],[10,7],[9,2],[7,-2],[5,-5],[3,-7]] },'*': { width: 16, points: [[8,21],[8,9],[-1,-1],[3,18],[13,12],[-1,-1],[13,18],[3,12]] },'+': { width: 26, points: [[13,18],[13,0],[-1,-1],[4,9],[22,9]] },',': { width: 10, points: [[6,1],[5,0],[4,1],[5,2],[6,1],[6,-1],[5,-3],[4,-4]] },'-': { width: 18, points: [[6,9],[12,9]] },'.': { width: 10, points: [[5,2],[4,1],[5,0],[6,1],[5,2]] },'/': { width: 22, points: [[20,25],[2,-7]] },'0': { width: 20, points: [[9,21],[6,20],[4,17],[3,12],[3,9],[4,4],[6,1],[9,0],[11,0],[14,1],[16,4],[17,9],[17,12],[16,17],[14,20],[11,21],[9,21]] },'1': { width: 20, points: [[6,17],[8,18],[11,21],[11,0]] },'2': { width: 20, points: [[4,16],[4,17],[5,19],[6,20],[8,21],[12,21],[14,20],[15,19],[16,17],[16,15],[15,13],[13,10],[3,0],[17,0]] },'3': { width: 20, points: [[5,21],[16,21],[10,13],[13,13],[15,12],[16,11],[17,8],[17,6],[16,3],[14,1],[11,0],[8,0],[5,1],[4,2],[3,4]] },'4': { width: 20, points: [[13,21],[3,7],[18,7],[-1,-1],[13,21],[13,0]] },'5': { width: 20, points: [[15,21],[5,21],[4,12],[5,13],[8,14],[11,14],[14,13],[16,11],[17,8],[17,6],[16,3],[14,1],[11,0],[8,0],[5,1],[4,2],[3,4]] },'6': { width: 20, points: [[16,18],[15,20],[12,21],[10,21],[7,20],[5,17],[4,12],[4,7],[5,3],[7,1],[10,0],[11,0],[14,1],[16,3],[17,6],[17,7],[16,10],[14,12],[11,13],[10,13],[7,12],[5,10],[4,7]] },'7': { width: 20, points: [[17,21],[7,0],[-1,-1],[3,21],[17,21]] },'8': { width: 20, points: [[8,21],[5,20],[4,18],[4,16],[5,14],[7,13],[11,12],[14,11],[16,9],[17,7],[17,4],[16,2],[15,1],[12,0],[8,0],[5,1],[4,2],[3,4],[3,7],[4,9],[6,11],[9,12],[13,13],[15,14],[16,16],[16,18],[15,20],[12,21],[8,21]] },'9': { width: 20, points: [[16,14],[15,11],[13,9],[10,8],[9,8],[6,9],[4,11],[3,14],[3,15],[4,18],[6,20],[9,21],[10,21],[13,20],[15,18],[16,14],[16,9],[15,4],[13,1],[10,0],[8,0],[5,1],[4,3]] },':': { width: 10, points: [[5,14],[4,13],[5,12],[6,13],[5,14],[-1,-1],[5,2],[4,1],[5,0],[6,1],[5,2]] },';': { width: 10, points: [[5,14],[4,13],[5,12],[6,13],[5,14],[-1,-1],[6,1],[5,0],[4,1],[5,2],[6,1],[6,-1],[5,-3],[4,-4]] },'<': { width: 24, points: [[20,18],[4,9],[20,0]] },'=': { width: 26, points: [[4,12],[22,12],[-1,-1],[4,6],[22,6]] },'>': { width: 24, points: [[4,18],[20,9],[4,0]] },'?': { width: 18, points: [[3,16],[3,17],[4,19],[5,20],[7,21],[11,21],[13,20],[14,19],[15,17],[15,15],[14,13],[13,12],[9,10],[9,7],[-1,-1],[9,2],[8,1],[9,0],[10,1],[9,2]] },'@': { width: 27, points: [[18,13],[17,15],[15,16],[12,16],[10,15],[9,14],[8,11],[8,8],[9,6],[11,5],[14,5],[16,6],[17,8],[-1,-1],[12,16],[10,14],[9,11],[9,8],[10,6],[11,5],[-1,-1],[18,16],[17,8],[17,6],[19,5],[21,5],[23,7],[24,10],[24,12],[23,15],[22,17],[20,19],[18,20],[15,21],[12,21],[9,20],[7,19],[5,17],[4,15],[3,12],[3,9],[4,6],[5,4],[7,2],[9,1],[12,0],[15,0],[18,1],[20,2],[21,3],[-1,-1],[19,16],[18,8],[18,6],[19,5]] },'A': { width: 18, points: [[9,21],[1,0],[-1,-1],[9,21],[17,0],[-1,-1],[4,7],[14,7]] },'B': { width: 21, points: [[4,21],[4,0],[-1,-1],[4,21],[13,21],[16,20],[17,19],[18,17],[18,15],[17,13],[16,12],[13,11],[-1,-1],[4,11],[13,11],[16,10],[17,9],[18,7],[18,4],[17,2],[16,1],[13,0],[4,0]] },'C': { width: 21, points: [[18,16],[17,18],[15,20],[13,21],[9,21],[7,20],[5,18],[4,16],[3,13],[3,8],[4,5],[5,3],[7,1],[9,0],[13,0],[15,1],[17,3],[18,5]] },'D': { width: 21, points: [[4,21],[4,0],[-1,-1],[4,21],[11,21],[14,20],[16,18],[17,16],[18,13],[18,8],[17,5],[16,3],[14,1],[11,0],[4,0]] },'E': { width: 19, points: [[4,21],[4,0],[-1,-1],[4,21],[17,21],[-1,-1],[4,11],[12,11],[-1,-1],[4,0],[17,0]] },'F': { width: 18, points: [[4,21],[4,0],[-1,-1],[4,21],[17,21],[-1,-1],[4,11],[12,11]] },'G': { width: 21, points: [[18,16],[17,18],[15,20],[13,21],[9,21],[7,20],[5,18],[4,16],[3,13],[3,8],[4,5],[5,3],[7,1],[9,0],[13,0],[15,1],[17,3],[18,5],[18,8],[-1,-1],[13,8],[18,8]] },'H': { width: 22, points: [[4,21],[4,0],[-1,-1],[18,21],[18,0],[-1,-1],[4,11],[18,11]] },'I': { width: 8, points: [[4,21],[4,0]] },'J': { width: 16, points: [[12,21],[12,5],[11,2],[10,1],[8,0],[6,0],[4,1],[3,2],[2,5],[2,7]] },'K': { width: 21, points: [[4,21],[4,0],[-1,-1],[18,21],[4,7],[-1,-1],[9,12],[18,0]] },'L': { width: 17, points: [[4,21],[4,0],[-1,-1],[4,0],[16,0]] },'M': { width: 24, points: [[4,21],[4,0],[-1,-1],[4,21],[12,0],[-1,-1],[20,21],[12,0],[-1,-1],[20,21],[20,0]] },'N': { width: 22, points: [[4,21],[4,0],[-1,-1],[4,21],[18,0],[-1,-1],[18,21],[18,0]] },'O': { width: 22, points: [[9,21],[7,20],[5,18],[4,16],[3,13],[3,8],[4,5],[5,3],[7,1],[9,0],[13,0],[15,1],[17,3],[18,5],[19,8],[19,13],[18,16],[17,18],[15,20],[13,21],[9,21]] },'P': { width: 21, points: [[4,21],[4,0],[-1,-1],[4,21],[13,21],[16,20],[17,19],[18,17],[18,14],[17,12],[16,11],[13,10],[4,10]] },'Q': { width: 22, points: [[9,21],[7,20],[5,18],[4,16],[3,13],[3,8],[4,5],[5,3],[7,1],[9,0],[13,0],[15,1],[17,3],[18,5],[19,8],[19,13],[18,16],[17,18],[15,20],[13,21],[9,21],[-1,-1],[12,4],[18,-2]] },'R': { width: 21, points: [[4,21],[4,0],[-1,-1],[4,21],[13,21],[16,20],[17,19],[18,17],[18,15],[17,13],[16,12],[13,11],[4,11],[-1,-1],[11,11],[18,0]] },'S': { width: 20, points: [[17,18],[15,20],[12,21],[8,21],[5,20],[3,18],[3,16],[4,14],[5,13],[7,12],[13,10],[15,9],[16,8],[17,6],[17,3],[15,1],[12,0],[8,0],[5,1],[3,3]] },'T': { width: 16, points: [[8,21],[8,0],[-1,-1],[1,21],[15,21]] },'U': { width: 22, points: [[4,21],[4,6],[5,3],[7,1],[10,0],[12,0],[15,1],[17,3],[18,6],[18,21]] },'V': { width: 18, points: [[1,21],[9,0],[-1,-1],[17,21],[9,0]] },'W': { width: 24, points: [[2,21],[7,0],[-1,-1],[12,21],[7,0],[-1,-1],[12,21],[17,0],[-1,-1],[22,21],[17,0]] },'X': { width: 20, points: [[3,21],[17,0],[-1,-1],[17,21],[3,0]] },'Y': { width: 18, points: [[1,21],[9,11],[9,0],[-1,-1],[17,21],[9,11]] },'Z': { width: 20, points: [[17,21],[3,0],[-1,-1],[3,21],[17,21],[-1,-1],[3,0],[17,0]] },'[': { width: 14, points: [[4,25],[4,-7],[-1,-1],[5,25],[5,-7],[-1,-1],[4,25],[11,25],[-1,-1],[4,-7],[11,-7]] },'\\': { width: 14, points: [[0,21],[14,-3]] },']': { width: 14, points: [[9,25],[9,-7],[-1,-1],[10,25],[10,-7],[-1,-1],[3,25],[10,25],[-1,-1],[3,-7],[10,-7]] },'^': { width: 16, points: [[6,15],[8,18],[10,15],[-1,-1],[3,12],[8,17],[13,12],[-1,-1],[8,17],[8,0]] },'_': { width: 16, points: [[0,-2],[16,-2]] },'`': { width: 10, points: [[6,21],[5,20],[4,18],[4,16],[5,15],[6,16],[5,17]] },'a': { width: 19, points: [[15,14],[15,0],[-1,-1],[15,11],[13,13],[11,14],[8,14],[6,13],[4,11],[3,8],[3,6],[4,3],[6,1],[8,0],[11,0],[13,1],[15,3]] },'b': { width: 19, points: [[4,21],[4,0],[-1,-1],[4,11],[6,13],[8,14],[11,14],[13,13],[15,11],[16,8],[16,6],[15,3],[13,1],[11,0],[8,0],[6,1],[4,3]] },'c': { width: 18, points: [[15,11],[13,13],[11,14],[8,14],[6,13],[4,11],[3,8],[3,6],[4,3],[6,1],[8,0],[11,0],[13,1],[15,3]] },'d': { width: 19, points: [[15,21],[15,0],[-1,-1],[15,11],[13,13],[11,14],[8,14],[6,13],[4,11],[3,8],[3,6],[4,3],[6,1],[8,0],[11,0],[13,1],[15,3]] },'e': { width: 18, points: [[3,8],[15,8],[15,10],[14,12],[13,13],[11,14],[8,14],[6,13],[4,11],[3,8],[3,6],[4,3],[6,1],[8,0],[11,0],[13,1],[15,3]] },'f': { width: 12, points: [[10,21],[8,21],[6,20],[5,17],[5,0],[-1,-1],[2,14],[9,14]] },'g': { width: 19, points: [[15,14],[15,-2],[14,-5],[13,-6],[11,-7],[8,-7],[6,-6],[-1,-1],[15,11],[13,13],[11,14],[8,14],[6,13],[4,11],[3,8],[3,6],[4,3],[6,1],[8,0],[11,0],[13,1],[15,3]] },'h': { width: 19, points: [[4,21],[4,0],[-1,-1],[4,10],[7,13],[9,14],[12,14],[14,13],[15,10],[15,0]] },'i': { width: 8, points: [[3,21],[4,20],[5,21],[4,22],[3,21],[-1,-1],[4,14],[4,0]] },'j': { width: 10, points: [[5,21],[6,20],[7,21],[6,22],[5,21],[-1,-1],[6,14],[6,-3],[5,-6],[3,-7],[1,-7]] },'k': { width: 17, points: [[4,21],[4,0],[-1,-1],[14,14],[4,4],[-1,-1],[8,8],[15,0]] },'l': { width: 8, points: [[4,21],[4,0]] },'m': { width: 30, points: [[4,14],[4,0],[-1,-1],[4,10],[7,13],[9,14],[12,14],[14,13],[15,10],[15,0],[-1,-1],[15,10],[18,13],[20,14],[23,14],[25,13],[26,10],[26,0]] },'n': { width: 19, points: [[4,14],[4,0],[-1,-1],[4,10],[7,13],[9,14],[12,14],[14,13],[15,10],[15,0]] },'o': { width: 19, points: [[8,14],[6,13],[4,11],[3,8],[3,6],[4,3],[6,1],[8,0],[11,0],[13,1],[15,3],[16,6],[16,8],[15,11],[13,13],[11,14],[8,14]] },'p': { width: 19, points: [[4,14],[4,-7],[-1,-1],[4,11],[6,13],[8,14],[11,14],[13,13],[15,11],[16,8],[16,6],[15,3],[13,1],[11,0],[8,0],[6,1],[4,3]] },'q': { width: 19, points: [[15,14],[15,-7],[-1,-1],[15,11],[13,13],[11,14],[8,14],[6,13],[4,11],[3,8],[3,6],[4,3],[6,1],[8,0],[11,0],[13,1],[15,3]] },'r': { width: 13, points: [[4,14],[4,0],[-1,-1],[4,8],[5,11],[7,13],[9,14],[12,14]] },'s': { width: 17, points: [[14,11],[13,13],[10,14],[7,14],[4,13],[3,11],[4,9],[6,8],[11,7],[13,6],[14,4],[14,3],[13,1],[10,0],[7,0],[4,1],[3,3]] },'t': { width: 12, points: [[5,21],[5,4],[6,1],[8,0],[10,0],[-1,-1],[2,14],[9,14]] },'u': { width: 19, points: [[4,14],[4,4],[5,1],[7,0],[10,0],[12,1],[15,4],[-1,-1],[15,14],[15,0]] },'v': { width: 16, points: [[2,14],[8,0],[-1,-1],[14,14],[8,0]] },'w': { width: 22, points: [[3,14],[7,0],[-1,-1],[11,14],[7,0],[-1,-1],[11,14],[15,0],[-1,-1],[19,14],[15,0]] },'x': { width: 17, points: [[3,14],[14,0],[-1,-1],[14,14],[3,0]] },'y': { width: 16, points: [[2,14],[8,0],[-1,-1],[14,14],[8,0],[6,-4],[4,-6],[2,-7],[1,-7]] },'z': { width: 17, points: [[14,14],[3,0],[-1,-1],[3,14],[14,14],[-1,-1],[3,0],[14,0]] },'{': { width: 14, points: 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