<snapdata remixID="11765651"><project name="U3L3-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="U3L3-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><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="doChangeVar"><l>position number</l><l>1</l></block><block s="createClone"><l><option>myself</option></l></block><block s="changeXPosition"><l>50</l></block></script></custom-block><block s="changeXPosition"><l>-150</l></block><block s="changeYPosition"><l>-50</l></block></script></custom-block></script><scripts><script x="501" y="112.80000000000001"><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></script></custom-block></script></custom-block><block s="hide"></block></script><script x="394" y="294.8"><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="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></block-definition><block-definition s="possible winning triples" type="reporter" category="variables"><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>1</l><l>4</l><l>7</l></list></block><block s="reportNewList"><list><l>3</l><l>6</l><l>9</l></list></block><block s="reportNewList"><list><l>2</l><l>5</l><l>8</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>5</l><l>9</l></list></block><block s="reportNewList"><list><l>3</l><l>5</l><l>7</l></list></block><block s="reportNewList"><list><l>4</l><l>5</l><l>6</l></list></block></list></block></block></script></block-definition><block-definition s="status of tripples %&apos;winning triple&apos;" type="reporter" category="variables"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doReport"><block s="reportAnd"><block s="reportEquals"><block s="reportListItem"><l>3</l><block s="reportMap"><block s="reifyReporter"><autolambda><block s="reportListItem"><l>1</l><block var="board"/></block></autolambda><list></list></block><block var="winning triple"/></block></block><block s="reportListItem"><l>4</l><block s="reportMap"><block s="reifyReporter"><autolambda><block s="reportListItem"><l></l><block var="board"/></block></autolambda><list></list></block><block var="winning triple"/></block></block></block><block s="reportEquals"><block s="reportListItem"><l>1</l><block s="reportMap"><block s="reifyReporter"><autolambda><block s="reportListItem"><l></l><block var="board"/></block></autolambda><list></list></block><block var="winning triple"/></block></block><block s="reportListItem"><l>2</l><block s="reportMap"><block s="reifyReporter"><autolambda><block s="reportListItem"><l></l><block var="board"/></block></autolambda><list></list></block><block var="winning triple"/></block></block></block></block></block></script></block-definition><block-definition s="status of all winning triples" type="reporter" category="lists"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doDeclareVariables"><list><l>hugeeee list</l></list></block><block s="doSetVar"><l>hugeeee list</l><block s="reportNewList"><list></list></block></block><block s="doForEach"><l>item</l><custom-block s="possible winning triples"></custom-block><script><block s="doAddToList"><block s="reportMap"><block s="reifyReporter"><autolambda><block s="reportListItem"><l>1</l><block var="board"/></block></autolambda><list></list></block><block var="item"/></block><block var="hugeeee list"/></block></script></block><block s="doReport"><block var="hugeeee list"/></block></script></block-definition><block-definition s="won? %&apos;letter&apos;" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doDeclareVariables"><list><l>opposite letter</l><l>blockCHECK</l><l>blockFinal</l></list></block><block s="doIfElse"><block s="reportEquals"><block var="letter"/><l>X</l></block><script><block s="doSetVar"><l>opposite letter</l><l>O</l></block></script><script><block s="doSetVar"><l>opposite letter</l><l>X</l></block></script></block><block s="doForEach"><l>item</l><custom-block s="status of all winning triples"></custom-block><script><block s="doSetVar"><l>blockCHECK</l><block s="reportBoolean"><l><bool>false</bool></l></block></block><block s="doSetVar"><l>blockFINAL</l><block s="reportBoolean"><l><bool>false</bool></l></block></block><block s="doFor"><l>i</l><l>1</l><l>9</l><script><block s="doSetVar"><l>blockCHECK</l><block s="reportListContainsItem"><block var="item"/><block var="i"/></block></block><block s="doIf"><block s="reportEquals"><block var="blockCHECK"/><block s="reportBoolean"><l><bool>true</bool></l></block></block><script><block s="doSetVar"><l>blockFinal</l><block s="reportBoolean"><l><bool>true</bool></l></block></block></script></block></script></block><block s="doIf"><block s="reportAnd"><block s="reportListContainsItem"><block var="item"/><block var="letter"/></block><block s="reportAnd"><block s="reportNot"><block s="reportListContainsItem"><block var="item"/><block var="opposite letter"/></block></block><block s="reportNot"><block var="blockFINAL"/></block></block></block><script><block s="doReport"><block 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sublistIDs="false" 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