<snapdata remixID="11781848"><project name="U3L1p5-TicTacToe" app="Snap! 7, https://snap.berkeley.edu" version="2"><notes></notes><thumbnail>data:image/png;base64,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</thumbnail><scenes select="1"><scene name="U3L1p5-TicTacToe"><notes></notes><hidden></hidden><headers></headers><code></code><blocks><block-definition s="for %&apos;i&apos; = %&apos;start&apos; to %&apos;end&apos; %&apos;action&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%upvar"></input><input type="%n">1</input><input type="%n">10</input><input type="%cs"></input></inputs><script><block s="doDeclareVariables"><list><l>step</l><l>tester</l></list></block><block s="doIfElse"><block s="reportGreaterThan"><block var="start"/><block var="end"/></block><script><block s="doSetVar"><l>step</l><l>-1</l></block><block s="doSetVar"><l>tester</l><block s="reifyReporter"><autolambda><block s="reportLessThan"><block var="i"/><block var="end"/></block></autolambda><list></list></block></block></script><script><block s="doSetVar"><l>step</l><l>1</l></block><block s="doSetVar"><l>tester</l><block s="reifyReporter"><autolambda><block s="reportGreaterThan"><block var="i"/><block var="end"/></block></autolambda><list></list></block></block></script></block><block s="doSetVar"><l>i</l><block var="start"/></block><block s="doUntil"><block s="evaluate"><block var="tester"/><list></list></block><script><block s="doRun"><block var="action"/><list></list></block><block s="doChangeVar"><l>i</l><block var="step"/></block></script></block></script></block-definition><block-definition s="join words %&apos;words&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%mult%txt"></input></inputs><script><block s="doWarp"><script><block s="doIf"><block s="errorObsolete"></block><script><block s="doReport"><block s="reportListItem"><l>1</l><block var="words"/></block></block></script></block><block s="doIf"><block s="reportEquals"><l></l><block s="reportListItem"><l>1</l><block var="words"/></block></block><script><block s="doReport"><custom-block s="join words %mult%txt"><block s="reportCDR"><block var="words"/></block></custom-block></block></script></block><block s="doIf"><block s="reportEquals"><l></l><block s="reportListItem"><l>2</l><block var="words"/></block></block><script><block s="doReport"><custom-block s="join words %mult%txt"><block s="reportCONS"><block s="reportListItem"><l>1</l><block var="words"/></block><block s="reportCDR"><block s="reportCDR"><block var="words"/></block></block></block></custom-block></block></script></block><block s="doReport"><block s="reportJoinWords"><list><block s="reportListItem"><l>1</l><block var="words"/></block><l> </l><custom-block s="join words %mult%txt"><block s="reportCDR"><block var="words"/></block></custom-block></list></block></block></script></block></script><scripts><script x="229.00000300000002" y="196.77778077777774"><block s="reportJoinWords"><list><l></l><l></l></list></block></script></scripts></block-definition><block-definition s="makeBoard" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>position number</l><l>0</l></block><block s="doSwitchToCostume"><l>Empty</l></block><block s="show"></block><custom-block s="for %upvar = %n to %n %cs"><l>row</l><l>1</l><l>3</l><script><custom-block s="for %upvar = %n to %n %cs"><l>column</l><l>1</l><l>3</l><script><block s="gotoXY"><block s="reportVariadicSum"><list><l>-100</l><block s="reportVariadicProduct"><list><l>50</l><block var="column"/></list></block></list></block><block s="reportDifference"><l>100</l><block s="reportVariadicProduct"><list><l>50</l><block var="row"/></list></block></block></block><block s="doChangeVar"><l>position number</l><l>1</l></block><block s="createClone"><l><option>myself</option></l></block></script></custom-block></script><comment w="128" collapsed="false">The nested FOR loops are the important part of this solution.  Details like the starting position of the sprite might be different in student solutions.</comment></custom-block><block s="hide"></block></script><scripts><script x="176" y="265.1333333333334"><block s="doSwitchToCostume"><l>Empty</l><comment w="144.66666666666666" collapsed="true">Another possible solution.</comment></block><block s="show"></block><block s="gotoXY"><l>-50</l><l>50</l></block><custom-block s="for %upvar = %n to %n %cs"><l>row</l><l>1</l><l>3</l><script><custom-block s="for %upvar = %n to %n %cs"><l>column</l><l>1</l><l>3</l><script><block s="createClone"><l><option>myself</option></l></block><block s="changeXPosition"><l>50</l></block></script></custom-block><block s="setXPosition"><l>-50</l></block><block s="changeYPosition"><l>-50</l></block></script></custom-block><block s="hide"></block></script></scripts></block-definition><block-definition s="possible winning triples" type="reporter" category="lists"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doReport"><block s="reportNewList"><list><block s="reportNewList"><list><l>1</l><l>2</l><l>3</l></list></block><block s="reportNewList"><list><l>4</l><l>5</l><l>6</l></list></block><block s="reportNewList"><list><l>7</l><l>8</l><l>9</l></list></block><block s="reportNewList"><list><l>1</l><l>4</l><l>7</l></list></block><block s="reportNewList"><list><l>2</l><l>5</l><l>8</l></list></block><block s="reportNewList"><list><l>3</l><l>6</l><l>9</l></list></block><block s="reportNewList"><list><l>1</l><l>5</l><l>9</l></list></block><block s="reportNewList"><list><l>3</l><l>5</l><l>7</l></list></block></list></block></block></script></block-definition><block-definition s="Won? %&apos;input&apos;" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doForEach"><l>item</l><block s="reportMap"><block s="reifyReporter"><autolambda><custom-block s="status of triple %l"><l/></custom-block></autolambda><list></list></block><custom-block s="possible winning triples"></custom-block></block><script><block s="doIfElse"><block s="reportListContainsItem"><block var="item"/><l>Empty</l></block><script></script><script><block s="doIfElse"><block s="reportAnd"><block s="reportListContainsItem"><block var="item"/><l>X</l></block><block s="reportListContainsItem"><block var="item"/><l>O</l></block></block><script></script><script><block s="doIf"><block s="reportListContainsItem"><block var="item"/><block var="input"/></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script></block></script></block></script></block></script></block><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block-definition><block-definition s="status of triple %&apos;triple&apos;" type="reporter" category="lists"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doReport"><block s="reportMap"><block s="reifyReporter"><autolambda><block s="reportListItem"><l></l><block var="board"/></block></autolambda><list></list></block><block var="triple"/></block></block></script></block-definition></blocks><stage name="Stage" width="480" height="360" costume="0" color="255,255,255,1" tempo="60" threadsafe="false" penlog="false" volume="100" pan="0" lines="round" ternary="true" hyperops="true" codify="false" inheritance="false" sublistIDs="false" id="352"><pentrails>data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAeAAAAFoCAYAAACPNyggAAAAAXNSR0IArs4c6QAADoVJREFUeF7t1cEJAAAIxDDdf2m3sJ+4wEEQuuMIECBAgACBd4F9XzRIgAABAgQIjAB7AgIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECByxcQFpoRMBzwAAAABJRU5ErkJggg==</pentrails><costumes><list struct="atomic" id="353"></list></costumes><sounds><list struct="atomic" id="354"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites select="1"><sprite name="Square" idx="1" x="50" y="-50" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="false" hidden="true" costume="1" color="80,80,80,1" pen="tip" id="359"><costumes><list id="360"><item><ref mediaID="Square_cst_Empty"></ref></item><item><ref mediaID="Square_cst_X"></ref></item><item><ref mediaID="Square_cst_O"></ref></item></list></costumes><sounds><list struct="atomic" id="361"></list></sounds><blocks></blocks><variables><variable name="position number"><l>9</l></variable></variables><scripts><script x="10" y="168.9999999999999"><block s="receiveInteraction"><l><option>clicked</option></l><comment w="53.333333333333336" collapsed="true">3.1.5.7</comment></block><block s="doIf"><block s="reportAnd"><block s="reportEquals"><block var="X&apos;s turn?"/><block s="reportBoolean"><l><bool>true</bool></l></block></block><block s="reportEquals"><block s="getCostumeIdx"></block><l>1</l><comment w="124" collapsed="true">If square is empty...</comment></block></block><script><block s="doSwitchToCostume"><l>X</l></block><block s="doReplaceInList"><block var="position number"/><block var="board"/><l>X</l></block><block s="doIf"><block s="reportEquals"><custom-block s="Won? %s"><l>X</l></custom-block><block s="reportBoolean"><l><bool>true</bool></l></block></block><script><block s="doSayFor"><l>X has won!</l><l>2</l></block><block s="doStopThis"><l><option>all</option></l></block></script></block><block s="doSetVar"><l>X&apos;s turn?</l><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block><block s="doIf"><block s="reportAnd"><block s="reportEquals"><block var="X&apos;s turn?"/><block s="reportBoolean"><l><bool>false</bool></l></block></block><block s="reportEquals"><block s="getCostumeIdx"></block><l>1</l><comment w="124" collapsed="true">If square is empty...</comment></block></block><script><block s="doSwitchToCostume"><l>O</l></block><block s="doReplaceInList"><block var="position number"/><block var="board"/><l>O</l></block><block s="doIf"><block s="reportEquals"><custom-block s="Won? %s"><l>O</l></custom-block><block s="reportBoolean"><l><bool>true</bool></l></block></block><script><block s="doSayFor"><l>O has won!</l><l>2</l></block><block s="doStopThis"><l><option>all</option></l></block></script></block><block s="doSetVar"><l>X&apos;s turn?</l><block s="reportBoolean"><l><bool>true</bool></l></block><comment w="171.33333333333334" collapsed="false">Alternate between TRUE (x&apos;s turn) and FALSE (o&apos;s turn)</comment></block></script></block><block s="doIf"><block s="reportNot"><block s="reportFindFirst"><block s="reifyPredicate"><autolambda><block s="reportListContainsItem"><block s="reportNewList"><list><l>Empty</l></list></block><l></l></block></autolambda><list></list></block><block var="board"/></block></block><script><block s="doSayFor"><l>It&apos;s a tie!</l><l>2</l></block><block s="doStopThis"><l><option>all</option></l></block></script></block></script><script x="26.66666666666663" y="21"><block s="createClone"><l><option>myself</option></l><comment w="180" collapsed="false">Demo script removed from hat block&#xD;for solution, replaced by script below.&#xD;Click the &quot;draggable&quot; box if you want&#xD;to demo this.</comment></block><block s="bubble"><l>I&apos;m the parent.</l></block><block s="doGlide"><l>1</l><block s="reportRandom"><l>-200</l><l>200</l></block><block s="reportRandom"><l>-150</l><l>150</l></block></block><block s="bubble"><l></l></block></script><script x="396" y="129.66666666666663"><block s="receiveGo"><comment w="53.333333333333336" collapsed="true">3.1.5.5</comment></block><block s="doSetVar"><l>board</l><block s="reportNewList"><list><l>Empty</l><l>Empty</l><l>Empty</l><l>Empty</l><l>Empty</l><l>Empty</l><l>Empty</l><l>Empty</l><l>Empty</l></list></block></block><custom-block s="makeBoard"><comment w="129.33333333333334" collapsed="true">3.1.5.6  Look inside. </comment></custom-block><block s="doSetVar"><l>X&apos;s turn?</l><block s="reportBoolean"><l><bool>true</bool></l><comment w="90" collapsed="true">X plays first.</comment></block></block></script><script x="206.66666666666663" y="10"><block s="receiveInteraction"><l><option>clicked</option></l></block></script></scripts></sprite><watcher var="board" style="normal" x="10" y="10" color="243,118,29" extX="80" extY="70"/><watcher scope="Square" var="position number" style="normal" x="10" y="103.000002" color="243,118,29"/></sprites></stage><variables><variable name="X&apos;s turn?"><bool>false</bool></variable><variable name="board"><list struct="atomic" id="522">O,O,X,O,O,Empty,X,O,X</list></variable></variables></scene></scenes></project><media name="U3L1p5-TicTacToe" app="Snap! 7, https://snap.berkeley.edu" version="2"><costume name="Empty" center-x="29" center-y="28" image="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADkAAAA5CAYAAACMGIOFAAAAAXNSR0IArs4c6QAAAShJREFUaEPtmyEOg0AQRT836A1ag24TBIakFWv2Fr0BFgc4LKdZs6ICgyCpx9AbcIRmG0LS0lbPbj4nmDf/v4xZIgAVgCOAE8L87tECeQZwCZMRt0/ISWuNNE0PPgP3fT8ZYxyC43iH1FpPbdsijmOvIcdxnPI8hzFmC1lVFcqy9DnEdfa6ruF4NkkS0rN8mSSd9KiyrCvryrrK2gCdpJOyGvl3GtaVdWVdZW2ATtJJWY3kCaGTdJJOytoAnaSTshrJO0kn6SSdlLUBOkknZTWSd5JO0kk6KWsDdJJOymok7ySdpJMhOKmUmpumQZIkO494NqMOwzAXRQFrrePYPM+elVLIssxryK7rZmutg/8K6XOAv2Z/JXldHqTvQyQE8HCQof4qsWb2BLkbqAIXp3YbAAAAAElFTkSuQmCC" mediaID="Square_cst_Empty"/><costume name="X" center-x="29" center-y="29" image="data:image/png;base64,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" mediaID="Square_cst_X"/><costume name="O" center-x="28" center-y="28" image="data:image/png;base64,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" mediaID="Square_cst_O"/></media></snapdata>