Solutions for day eight

08/code.js

@@ -0,0 +1,108 @@
+const fs = require('fs');
+const inputArray = fs.readFileSync('input.txt').toString().split("\n");
+
+// Day One
+/*
+const lines = [];
+for (const line of inputArray) {
+  const entry = line.split(" | ");
+  lines.push([entry[0].split(" "), entry[1].split(" ")]);
+}
+
+let outputs = [];
+for (const output of lines) {
+  outputs.push(output[1]);
+}
+outputs = outputs.flat(1);
+
+lengths = [2,3,4,7];
+
+let count = 0;
+for (const entry of outputs) {
+  if (lengths.includes(entry.length)) {
+    count++
+  }
+}
+
+console.log(count)
+*/
+
+// Day Two
+
+const lines = [];
+for (const line of inputArray) {
+  const entry = line.split(" | ");
+  lines.push([...entry[0].split(" "), ...entry[1].split(" ")]);
+}
+let total = 0;
+
+for (const line of lines) {
+  const digits = new Array(10).fill("");
+  const bars = {
+    top: "",
+    upperLeft: "",
+    upperRight: "",
+    middle: "",
+    lowerLeft: "",
+    lowerRight: "",
+    bottom: ""
+  };
+  for (const thing in line) {
+    if (line[thing].length === 2) {
+      digits[1] = line[thing];
+        line[thing] = 1;
+    } else if (line[thing].length === 3) {
+      digits[7] = line[thing];
+      line[thing] = 7;
+    } else if (line[thing].length === 4) {
+      digits[4] = line[thing];
+      line[thing] = 4;
+    } else if (line[thing].length === 7) {
+      digits[8] = line[thing];
+      line[thing] = 8;
+    }
+  }
+  bars.top = digits[7].replace(digits[1][0], "").replace(digits[1][1], "");
+  for (const thing in line) {
+    if (line[thing].length === 5 && line[thing].includes(digits[1][0]) && line[thing].includes(digits[1][1])) {
+      digits[3] = line[thing];
+      line[thing] = 3;
+    }
+  }
+  bars.upperLeft = digits[4].replace(digits[3][0], "").replace(digits[3][1], "").replace(digits[3][2], "").replace(digits[3][3], "").replace(digits[3][4], "");
+  for (const thing in line) {
+    if (line[thing].length === 5 && line[thing].includes(bars.upperLeft)) {
+      digits[5] = line[thing];
+      line[thing] = 5;
+    }
+    if (line[thing].length === 5 && !line[thing].includes(bars.upperLeft)) {
+      digits[2] = line[thing];
+      line[thing] = 2;
+    }
+  }
+  bars.lowerLeft = digits[2].replace(digits[3][0], "").replace(digits[3][1], "").replace(digits[3][2], "").replace(digits[3][3], "").replace(digits[3][4], "");
+  bars.lowerRight = digits[5].replace(bars.upperLeft, "").replace(digits[2][0], "").replace(digits[2][1], "").replace(digits[2][2], "").replace(digits[2][3], "").replace(digits[2][4], "");
+  bars.upperRight = digits[1].replace(bars.lowerRight, "");
+  for (const thing in line) {
+    if (line[thing].length === 6 && !line[thing].includes(bars.lowerLeft)) {
+      digits[9] = line[thing];
+      line[thing] = 9;
+    }
+    if (line[thing].length === 6 && !line[thing].includes(bars.upperRight)) {
+      digits[6] = line[thing];
+      line[thing] = 6;
+    }
+  }
+  for (const thing in line) {
+    if (line[thing].length === 6) {
+      digits[0] = line[thing];
+      line[thing] = 0;
+    }
+  }
+  bars.bottom = digits[9].replace(bars.top, "").replace(digits[4][0], "").replace(digits[4][1], "").replace(digits[4][2], "").replace(digits[4][3], "");
+  bars.middle = digits[8].replace(digits[0][0], "").replace(digits[0][1], "").replace(digits[0][2], "").replace(digits[0][3], "").replace(digits[0][4], "").replace(digits[0][5], "");
+
+  total = total + parseInt(line.slice(10).join(""),10);
+}
+
+console.log(total);

08/input.txt

@@ -0,0 +1,200 @@
+cefbd dcg dcfgbae bdeafg gfcaed ecbgd bcag bdacge cg bedag | cebdg egcfda gdacbe badefg
+aefgc bcdgef bef bdegca bdeca fdab afcbe fcebgda bf bfaecd | fgdecab gefac fgaec bdaf
+cbgedf beda cfgbea cafbed cdb afcbe bd gbaedcf bfacd gfacd | acdefb cdfeab dfcaeb abde
+efbag de adcgf fgcdea gfdabc daec fdcgbe edg fgead acbgdfe | de bgfae decafbg gefabcd
+bfg gabecd gf facgb cafgbd acebf degcfb bagedfc gdabc gfad | daecbg gabcde cfgdbe bgcfa
+gbaf dbfgac dfeacbg fg gcf cdfab cbefad dbcfg faegdc gbdce | aecgfd efadcb bcdeaf cdbaf
+dgc gbfde aebdgf gecfd cd gecdbaf cfgedb dbgafc efagc decb | gebdf cd fcage dabcfeg
+dbfeg debfcga ecg gfbaec eadfgc ebac gbadfc ce ecfgb acgbf | dabfecg abegfc dcbgaf cfgab
+gbadefc dbegac bcadef gabcf gd gfbdc gefd fedbc dgb bedgfc | cbdgf bfacde cdgbafe edfg
+edbac fbaedg aedcg acg gdcf fbcedag afedgc acbfeg gc fdaeg | dafge adceg cbeda dcbae
+gbcfe fgebdac cefab gdfcb efg aegdfb bgadcf gdec ge gecdfb | aecfb egcd fecab bcfdga
+gbd ecbfga gbedcaf bgedca bdgac baegc dg cedbfg dfbca geda | cdbaeg dgaceb gade bfcad
+cefab agf faceg agced gf fgabedc gacdbe dabfgc ecgfda edfg | gdeac fgadcb afg agcfdb
+bagd ecfagb ag gaebdf acdfeb abefd edfgacb fcegd dgefa eag | afdge egfdc abefd dfaeb
+gdcaf ebafdg fdcbeg dbgce aecb adcge adcgbe gea ea afgbdec | efdgbc egacdbf egcbd bedacg
+gafcd bedcf ab cfdbeag eafb dfbac decfgb dgbeac cedfab acb | abc cba ebgcad fcdageb
+dceagb edfa af bfa acfdbg faegb gbade ecfbg eafdgb cebadgf | degcbfa af bgdecfa aegbf
+efcabgd gfbead gbcefa egabf bcgea gc badce fagcbd acg fgce | bfgeca gca bgcae bafcgd
+afcgd gafecdb ea befcg egda gbfdac eaf caefbd cadegf faceg | aegd fecbg gdea fcgdab
+gcbd cag gbcfae bfdcea cg acgfd bgadcfe aefdg fabcd bdcgfa | dabcf dbgc bcdg gc
+cedgbaf ae afe gdfec cdbfa dfaec faebgc bdea bgfdac cfdeab | begcdaf ecfgba ae ae
+bfea adcbge feacd bcfeagd af gcfde caebd acbedf afd dfgcab | aebf becad dfa fcegd
+dagef acdgf ecad ea gfedb gea cdgafe acegbf dgfacb aecgdbf | cagfd dfabgc gfbed ae
+fced bgfcad ecb cafbde afbcegd abdce dcafb ec gadbe cfegab | afgcbe ec cfegab bcdfa
+afedbg bda gfbcade ebfdg dbacef badeg fecgdb agfb agecd ba | ecdag gcbedf fdgeb gfdeb
+becdfg ac dcgef aegcfd gadc eabfg afegc dgefcba eac adbcef | bcfgde ca facge fbgea
+dafg abegfd defgcab df abegcd eafcdb edf gedbf dageb egfbc | agfdbe df agefdcb dfebg
+fcea cbe bdfeac edfgba deafb edfgabc adbec efdcgb bagcd ce | bfegda baedf dagbc cbeafd
+bfdec abefgc gb gfbd gbced fbdecg gedfbac ecgad cbg bcfaed | fedcb bdecg efdcgb dceagbf
+cgabe gafc bcegaf bfcaegd begfda agedcb gf gefbc bcdfe bfg | gcaf bedacg becdga bfg
+gebdfac cbga fadebc fcgdab ag gbdfa dbafc agd bdefg egcdfa | abdfc bfadce abcfd abcgfed
+caefd fgabed acefdg gbcfe gdac dcfge ecfabd cdebgfa gd gdf | cdga gedfca defagc ebfcg
+efagc cdf df cfdae dgbfca egadfc gdfe dabce gacefb cfbdega | cbefag ceadb dabfegc cbdea
+edfca eacdgf aefbc ced faedbg gfead dgac fgabdec dfgceb cd | edbafg dcag dec dagc
+fgcbade ecfdg efcbad aefdc deabc bgaced gafecb fa bfda efa | eabcgdf af dceabf bdfcea
+gfabd abg ab gefdb gfabdce cdebfg dabecg bagfed dacgf fbea | ba bga fdacg dgbeca
+ec dcgfa gcdeba efgcd dce dcegbf gbefd bfce dbgafce bgdeaf | cefb agedcb cegdf ecd
+cde daecbg dbeafc dacbgf fegcb dfecb ed gbcaefd dacfb dfea | edfbac ed ecd eagbdc
+gcbfdae cbdg dbgfe febad befcg dbgfec fcbaeg deg fedcga gd | adfeb ebgcf cedfga gadbcef
+fceba dgefac aedb befadc dafcbge fbced gfabec gbfdc ed dfe | gcefba bade bfgdc cebdfa
+bef fabg fb feabd cgadbe cgdfbe ecdaf dbfgea adgbe ecbgfad | gcdbae ecadf adgbe eadgbc
+fcagb cefbga aebgcd eadgcf bfge gcefa fadebgc gbc afcdb gb | agbedc febcag gfbecda fcabd
+dfgeca gfceba gd gcaeb gdc bdga dgbaec ecdgb dgfcbae dbefc | bacgef gcefba afcged cdgefab
+edafg feagdb dgacefb dae bfgedc abfedc ad fbedg cgeaf bgda | gfbeda fcaeg dgba abgd
+ad cadf dcabe fegbac gfadbe bdecfa gbdaefc dgecb feabc abd | fegdba cadf gdbeaf fcgbea
+badfg dfeacg dfeag dbf bfecgd bf dacgb agdbcef gfaebd ebfa | fb gdbca agdbc fdbgae
+gcbfda fa faeb efdac bacefd dbcfeag gedfcb fedcb afd gecda | feab gcfdba gaecd abcdef
+da acegfdb acfgb gade abgdf cedfba fgbdec gedafb bad bfedg | eabfcd bfcdeg deafcb cbfedg
+gcfdb dcea gadef gfdace bdgfeca fcbaeg agbedf ca acf cdfag | cgfad feagbd badgfe egfadc
+cdgfba bfeadg gbca fadbg fcaed gdbface dgacf cg cgd dbgefc | gdafb cfeda cgab gbdfa
+cbdeg bcda cag ca fegba gfdecb agdcfe cebdgfa cebga gbcead | gecab cdfbage gfeba gcabde
+agfbc dage edbcfg dg bgd acedbfg dcagb bcafed edabc degcba | bgd gacdb gabedcf agebdfc
+gd gdeb cbafed dgecfab faged fcdgab fgebda cfgae gdf beafd | acefg bdfeag feadgb cgaef
+cadbfe acgbd ecfa fagbdec dgfabe cbade eafbd fbedgc ec bec | dbfgcea fcebdg bacde dbeafc
+eaf eafdg afgdc cgef abcgdef dfgcae dgabe fe fbcaed dgfcab | bfgcad egfda gcef eaf
+cdbgafe efb eagfcd cfgbe cbdefa cfgba dgbe be gcfed befdgc | eb fgdec dcafeb adfebc
+gafcd ceba abedg aegdbf cfgedb adcge edc fagdcbe bcegad ec | ceagd dagbfce ce cde
+acegdb fe adgcfe efgc gbcedaf dafbc gacde fcdae dgabef aef | geabdc eagdc fdebag bgeafd
+fgdba ebfdg gfe gfeacbd fe eafb degacf gecdb bfegad fbgadc | bfcdag cdgbaf afdgbe adfbge
+bagdfe edcfgba gbcea ecdgbf ebcfg gef dbfcga fe fced cfgdb | ecfd bcfeg gdcbf cfabged
+fgacde egdbf ecf fc dbgefa gdfcbe bgeac cbfd dagcebf cfgbe | degfb gdbef bafcged egdafc
+ed eda cgdafe cgdbea efacgdb gdbe eacfb acebd gcabd fdgbca | adbgc bcgad gdabc gacdb
+cgbdf bcd cd fcad bfcag cfbdega begdac dbagcf dbgfe aebgcf | cfgba dgcfb cbdgf gcbefa
+bd gfbdeac cdegf bdc cgefda gbfd fecdab dgcbe cgeba dcbgef | cbd db db gdecf
+dgfcaeb adebcg ecdag fadc afe eagfc bgfce af edgcaf afegbd | gdcaefb fa cdaf eacdg
+ebdfa bae be dfecabg fagdcb dfgab aegbfc dbeg cfdea dabfge | fdagb adbgefc bae fgbdac
+cefb agfedc ebcfgad fgadbe edgbc be bed dfgce cedfgb dcbag | be faecgd gcbda eb
+gaed dbefcga dbgce ag abfce gfacbd adgbec dgfecb gceab agb | debcga gedfcab aged dcbge
+dbfceg abcgde gcabd dabfg geabfcd cg egca ecdab dgc abcdef | bdcefg fbgcaed cdg gc
+gf bcegd fbg dacfbe afcdb gfda efgacb bgfcda fdcgb fbedacg | bcfda bedcg gbf fdceab
+cfgbe gdcebaf fbcdeg bdfga edf fcedab dfgbe de cedg gebfca | abgcdef befgd fed fedbgca
+fbdac bafgcd eb cbfged bec cdefab dcefabg deab fbaec fcage | cfeba bgcefd ebc bce
+dab ebaf afgde cdfabg debga dcebg fgacde ba bcdafge efdbag | ba bagde dgaef gebcd
+dbacf ad dgcfb caefdb daf deab fegcda bafdceg efcab fgacbe | deba egcdfba afd ad
+bfega dabegcf egafd becgdf gbaced bgcfe afgbec ab cbfa gba | abegf defga fabcge cabf
+bfecg fd abdgc gfbacd afdb dgf cgeabd aebfcgd gdfeac cdbgf | bcfdg agcdb cdgaeb eacdbg
+fea dgefca gacbfd dcfae afbedg dbcef dbefgca gafdc ae aegc | afced efa egac ea
+aegc gdcaef bfgcda acd cegbfd ac decgf gfecdab efadb fcead | cadef cfgde agcfbd dfeagc
+bafcgd ce bdcage fbdeg ebgdc ecba ceg cedgaf edcagfb bdcga | cbae cbgefda gceabfd cafedg
+bac ca bfgcda aecfdgb egbfca cdbef abcdf gefadb fbdga agdc | dcbfe cagd dfabc dcag
+agdcbe cdagb dec de gbed bfadegc afcbe fagcbd dceab cgedaf | ecd ed gbacd dafgebc
+dfgbeca fgdeb dcefga af cgaf eabdgc afgde cedafb adf gacde | edcbfa cadfgbe gdfebac af
+fba dcbgeaf agecfb gabde eacf fa cgbdaf aegfb gefcbd ecbfg | fegcba bgeaf gbaed bagfe
+bd afgdc gebcf gbeacd cadbgf caefgd afdb bdg fdbcg cadgefb | fbdgc cgebf agbfcd cbgdf
+fcgbdea dcbgaf cgfde ebcadf gcfaeb gcfeb ceafb gbea bg cgb | cbg cefgd fgdabc feabdc
+ac cefgba gabc fbcea caf bafed bgcfe dbegcf cbaedfg fdacge | ca dcbfeg fbgce bacg
+agfbdce gcb gc abdefc badgfc cega egbfd efacb bcafge fbgec | cbefa cabgfd afcebg ebgcf
+cbga adcef cbgdfa dab dfbcg ebdgcf aegdfb ba fcbad aegfcbd | eadbfg bcga cafbgd bfdgec
+gedfac dfeag gfdb cabgefd gaefdb bfgae fba eacbg deacfb fb | bf afb abgce egbfa
+ebdfg gaefcb de dgeacb gafeb bgfdc deb egcbafd edfa gbfdea | bafeg ed fgcbd bfadcge
+dagfc ecg cafdgb bdeac cdfgae dfgceab degca gdcebf eg gfea | cgdfabe afecdg decga gcbadf
+agf ebfcgd cefgab ga cedfbag fdcbg dcefa cfgad gcbfda gbad | abegcdf agbecf gbad bcgfd
+cfabdg da abfd gcaef fdgac dga dbfcg cbeagd bdecfg becdgaf | fbad gdcfa gfdca gcbdf
+egad dg ebacg gcfeba adcgfb becgd dfceb ecfbdga gcd egbdca | dg gabce gbecda gacedb
+fgbdec eca cabd gfeadc ac afgbe degbc fecbagd gbadce gcabe | eac dabc bcadeg efabg
+fd bdegc dcabge dcefga decbfg cdfb degbf egfba edbcgfa dfg | fdg gdf gbecd bdgfce
+fcebd efdbgc degabc fegad gb cadbegf bgdfe bfgc eacbdf egb | agdfe afdge bge cbaedg
+fdgc bdeac abcgef dfbega daegc gca dafeg gcfbdae gc cfeadg | cag agc begcadf gfbeca
+gfabcd edafc acegbd fabdc dacbg badgcfe fb bfgc baf fadbeg | adcbf gafedb fba acbfd
+bgdec acfbe cfeagbd efcbd faebgc fbdeca dfc adfb cgfade fd | fdc afegcd ebcgfda fd
+gcebf bdfgca de cedbg ecgfad dbcaeg agcdb gbfceda eadb gde | dbgce bade abgdce dbgec
+gfbdcae bac ca gfabe cfdbag agec edfgba efdcb acbef gbcefa | gcbfad fcaegb ac fgcbad
+gadebfc cedbga bfad dgebaf cfgeb dfeag bgdef acedgf bd bed | degbf eafdgc edb db
+bdgca gfbca ebcfdg cdea gafdbe cdb cd agebdc aebcdgf deabg | edbag bdaeg dcefgab adec
+cedaf fbdaeg cgaef bceagf dfgeacb cbga agf ga ecfgb dbcgfe | dafbeg ag fegbcd dbgceaf
+abgcd aefcdg fab eadfg ecbgfa fgbda aedfbgc bfed bf dgfeba | bfa fgaed bceagf agdef
+aecb bfa afgedcb befgdc ba efdbc bgcafd cdfeab aebfd fdeag | fab ba fba efbadc
+cbgedf gdebc cebgfda gdeca cdgeab adcb eagdf cea ca bfaecg | dcgea fbegac dabc acefbg
+fgc bcag cdbgf gedcaf ebgdaf gbdfa cedfb cg bdagfc fgbcaed | fgcbda gdcfba cdebf gcbfd
+cafdgbe fecga cfgdbe gf eafdc gbcea fge gbaf acgbde gcbfea | efdac gfaec agbec bedgfac
+bace egdafc eb bdecfag gbcfd daebfg gedca geb edcbg edgcab | gedcb eb fedbga bgcde
+bgdcf cfdgabe dafgb gfc bacg bdcef cg cfedga fbegda abgfdc | afgebd fagdb fdaecgb cg
+gacde bcgfaed fbcde ebfdgc dfba adecbf gcbaef adcfe caf fa | adfb ebdfc daebfgc fecdba
+gbeac dgbaefc caegfd gd cgfd edg aedcg befdac fcade dbagef | daebgf gadcfe ged dg
+bcfdg bfecag efcdg fagedb adce dacbgef gcedaf ed efd egfac | aecd abecfg cedgf efgbda
+acdfg cfebdag cfegba cga gfbda ac cfbgda cdegf fegdba bcad | acfdg fagdecb fedgc ca
+aeb fcbagd gafebd be efcda degbca edfgcab dbaef gfadb bfge | dcabge aeb be adbegc
+gbfdaec gafedc gadcfb efdcba acfbe ef caebg cfe dfeb bacfd | afebcd cabef cfbda ef
+aegcf dagbe bf fabedg bafd feb fdbceag gafbe edfcgb egcadb | eabfg fgace bgade dbaf
+fedbagc afgcb dc fbdcg bdegaf edcb cdf begdf edfgca gfcbed | dbec gbcfa dc cgabf
+gcfade dg fbecgda bcdef gbfd gdbec abdefc cgeab gbfcde deg | cdeafbg gd bfgdcea dafbec
+fdega cfgab adc cbegad cbfgaed gfaced fdec abdegf agcdf dc | cagbed dgabce dcefga fgcad
+bf bfadc bfga gfcda bfc afdgbce cfdbge bgacfd efagcd cdaeb | dcabe fb gacfed edacb
+deba badcf gbdcaf bfdce ecdfg bec efcgbda cgebfa be aebcfd | eb adbgcef cfadb dfecg
+eadcfgb gf eadcf dagfe gfab bgefdc egdba dfg eagbfd egdbca | aecbdg edfag efadc adegb
+cegabd gaedc gceabfd degabf agfceb acdgf adgeb debc ce gec | eagbfc cge ce agcfd
+cfdabg fcead agfedb ba fbcgd fcgedb gfbdcea dbfca cgba adb | gefdba bafgdc dceaf ab
+degbf bcd agcfbd bgeafc fdca aebdcg cgbfd fagcb dc cfgbeda | fcad adgcfb cd dbegf
+dagbc eabcdf abgcefd bdagef faec beafd ebadc gdfcbe cbe ce | cadbg adcgb gbdefc ec
+eadf fcbga edgfacb cfbdeg fagdb abgde cgbdae dfb df fgdeba | feadgbc egdba df gecadb
+eacf dgecb bcfda fbgdea gbfdac fcdabe dfe cfebd ef bgfcdea | aecfgbd fde cadefb ecgfdba
+bdecag cfdaeg cbafg gbafed bedf gabdf fedag db adefgcb dab | fegadc efcgad feadg fedb
+fdegca facge dcfe ec eca fagde gafcb egcadb gfdaebc gdaefb | eac acgbf dgafeb fbagc
+cbfdea bg gbea egbfcad fdecbg eabcf acbgef fgbca fgb afcdg | ecbdaf cfabe abcgf bega
+fegcd cagbe edafcg fgbced dfeabg bd bcdeg bdcf bed agcebdf | ecfgd cgedf gcabe fegdba
+ec eafgbd aefdc cgae fadcb bgdefc gbcdfea ced cdfega efagd | ecga ce dfgceb bacfd
+decfa efc fgdaecb cbgfad ebca ce cbafd adbcfe afged ebgdfc | cbfgad cfabd bcae cgafdb
+cbdgfe egafcdb gbadce fc decgfa bfceg gcf dbfc cgedb febag | cf cfgeb gfbedc gbdefc
+gface gabd fdceba cgdfbe bfg cbgdfea fbcagd gb abfgc cbfda | bdcgfe cfgbde abcfd gcbfdea
+fadgbe gdafb daef bae bacfgd gecdb gebfca gebda ea eacgdbf | ebdfag bfgda agbde ae
+ec bacdegf dbacg cdeb fageb cea abecg bdacfg dacebg dafegc | bgdacef gacefd ebgaf acgdfb
+dgbfe gb ebafdc bgd daecfgb aedfb dfegc ageb fadgeb gafdcb | fgaedb dgfce fbegd facdgb
+egcfd acdefb fgea fbdagc efacd aefdcg bdfaecg fg fdg ecdgb | aedcbf fgd cedaf gf
+fdcbge dfbe cgdea db gbfce gcdbfa agecbdf bgcde abgefc bgd | dagfcb efbdgc ecgfb febd
+geadcb afgbdc cfd cedgf ebgfcd bgfaedc dbceg fd bdfe ceagf | fd dagebc edcgb fd
+fdeabc eg cedbag fgbadce agefc cbfgae ceg ceabf gdacf fbge | egbf gec ge ge
+ebcgd ebc efcagb cbaged fdecgab dgfeab ec dgbcf degab cdae | cgebd gdafecb afcebg cbegd
+bcdafg cfdea edg dcefgb egdcfba gbdfc gcbe eg gedcf bagfed | bfadegc fgbdc cefgd cfdgb
+edcab gcabefd dg cbagdf gbedc cdg fgecb cadbfe gdea cebadg | aged gcfbe gdc dbgfeac
+acgedf cbfadg ebafdg fcged cdg cefbg eadc dgfae cd dbfegac | fgecb bfacgd gbecf fcbdag
+ecfda cbgfeda dg ebfcdg aegfbc bcgae egdac abgd gde gadcbe | gcbae efdgbc gabdce dg
+gbfecda gbd dg cadg egcfbd eabgf ebcfad gbdcaf fbdga badcf | dbg abfge fcdgbe ebgfa
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