feat(2021-day-08): tally up the decoded numbers for each scrambled di…

…splay

Solves part 2

2021/day-08/display.js

@@ -1,33 +1,3 @@
-// const renderDigit = (num) => {
-//   const topper = `  ${num}:  `
-//   const patterns = [
-//     'abcefg',
-//     'cf',
-//     'acdeg',
-//     'acdfg',
-//     'bcdf',
-//     'abdfg',
-//     'abdefg',
-//     'acf',
-//     'abcdefg',
-//     'abcdfg'
-//   ]
-//   const template = `
-//  aaaa
-// b    c
-// b    c
-//  dddd
-// e    f
-// e    f
-//  gggg
-// `
-
-//   const out = template
-//   patterns[8].forEach((segment) => {
-//     if(patterns[num].indexOf(segment) >= -1
-//   })
-//   }
-
 /**
  * Using a map of character codes, decode a signal
  * @param {array} charCodes
@@ -483,7 +453,17 @@ const descrambleSignal = (data) => {
   }
 }
 
+const parseEntry = (entry) => {
+  const codes = entry[0]
+  const signal = entry[1]
+  const { charCodes } = descrambleSignal(codes)
+  return parseInt(
+    decodeSignal(charCodes, signal).join('')
+  )
+}
+
 module.exports = {
   decodeSignal,
-  descrambleSignal
+  descrambleSignal,
+  parseEntry
 }

2021/day-08/display.test.js

@@ -1,6 +1,6 @@
 /* eslint-env mocha */
 const { expect } = require('chai')
-const { descrambleSignal, decodeSignal } = require('./display')
+const { descrambleSignal, decodeSignal, parseEntry } = require('./display')
 
 const testSingle = 'acedgfb cdfbe gcdfa fbcad dab cefabd cdfgeb eafb cagedb ab | cdfeb fcadb cdfeb cdbaf'
 
@@ -15,14 +15,6 @@ bdfegc cbegaf gecbf dfcage bdacg ed bedf ced adcbefg gebcd | ed bcgafe cdgba cbg
 egadfb cdbfeg cegd fecab cgb gbdefca cg fgcdab egfdb bfceg | gbdfcae bgc cg cgb
 gcafb gcf dcaebfg ecagb gf abcdeg gaef cafbge fdbac fegbdc | fgae cfgab fg bagce`.split('\n')
 
-console.debug(
-  testSingle.split('|')[0].trim()
-    .split(' ').map(
-      (code) => code.split('')
-        .sort((a, b) => a - b)
-    ).sort((a, b) => a.length - b.length)
-)
-
 describe('--- Day 8: Seven Segment Search ---', () => {
   describe('Part 1', () => {
     describe('descrambleSignal()', () => {
@@ -73,4 +65,22 @@ describe('--- Day 8: Seven Segment Search ---', () => {
       })
     })
   })
+  describe('Part 2', () => {
+    describe('parseEntry()', () => {
+      it('parses a set of scrambled codes and signal to produce a number for display', () => {
+        expect(
+          parseEntry(
+            testSingle.split('|').map((x) => x.trim())
+          )
+        ).to.equal(5353)
+
+        const testData = testMultiple.map(
+          (entry) => entry.split('|')
+            .map((x) => x.trim())
+        ).map(parseEntry)
+
+        expect(testData.reduce((a, b) => a + b)).to.equal(61229)
+      })
+    })
+  })
 })

2021/day-08/input.txt

@@ -0,0 +1,200 @@
+ecgabfd gfbe dgbeaf aeg gfbda eg bgdcaf efgdca abced eadgb | begf decgfa aeg eg
+ebfg bfgdea gaf gf baedgc dafec cfdabg ecfabgd fdgea dbaeg | gaedbc egbf dbgcea dagfebc
+cfadeg ca bacg dfabe dgcbf dbegafc dac afbdgc gcbedf bfcda | fbdac adbef bgcdfae dcagfe
+eag cdgfae cbdge ae fcgad eabdfg ecaf gefbadc dgafcb degca | dacbefg fcdage agdcf fedagb
+dga edac gdfbea bgdfec da cfbga dbgec cadgb bdgace dcbfage | acgfb gaecbfd dag gedfab
+cefb fb abcgefd fagbde fcbgae faecg cbadg cbfga bfa agcdef | gbacf agbfc bgcaef baf
+ebdacf cbgfae cgdebaf afdcb gabdc df cdf eafd ecabf begdfc | cbdaf gdabc fd cbefda
+ge daebc fcagb fdebac gaed ecabg egc gacedb cbdfeg adcfbeg | gec gebdca ebagc adbgcfe
+bgfade gcefbd eafgd fcae cadgf gcf dgcba cfdega cagbdfe cf | cdgeaf agfed cf cf
+abfge ebac acfegbd bc fcged gbfec cfgbad fecabg agbfde fcb | aefgdb cfb egbfca cbfaedg
+dfcbag gda dcafe gcdeb ag ecgdaf edagc bcdaef gcbadfe gaef | gbced dga cbadef fgecda
+cagb adgceb cdb cfgeda egfbd abcefd decag bc cgebd bgedfca | cegbd dfegac dbc befdg
+cbfe bgefdc ceabdfg cf dbgaef gdfbac edcga gcfed dfc fbedg | fgbaed fcd fcegd becf
+degabf bfg bcgaf gdacf dbfc gecfda gcaeb fagedbc adfgbc bf | egbdfa gbf adfbceg dcfb
+dbfae dfbc ecadg cb cbdea fcebag fgadbec gadebf bec ceabfd | dbfc bgfcead agbedf fdabe
+dafcge ecafbg cegaf egdac abegd cd debfca edc cgfd bfdeagc | dec dc ecd dbgae
+fgabce bfa acbfegd fcegda bfgd acgfd bcaed bfcda bf cbagdf | bf bafgcd bfdg dgbacfe
+fgea gad fcbgaed gdebc afdeb fagcbd cbfeda ag egfdba degab | dgeab badge eacfbdg fdceba
+fabdce cagdb gcb bcefag degba dfagbc dgcf dcfab egfcabd cg | befcda dbagc cbdgfa gcdf
+be fgaced fdeag badegf fdbea ebdg bea agfbec ebgadcf bcfad | acdfge agbfce debaf dgafe
+cdfbeg bg fegca gdefac cadbf eadbcgf cgb egba gcfbea cagfb | gfaced agfcb cbdfaeg cgfdabe
+fadcebg cgda ebfag adebc fcebdg fadbce gd begcda bdg gedba | dcga fbage dcabef fcebadg
+bfcga adfbgc fbcdage gfedac ab gcfbe cgafd efabgd gab bdca | gcafd cdba gba dfabgc
+bdfae gfa cdgabe egfba fg gfeadc acegb fgcb fbecgad ecafgb | bgeaf agfecbd fga agdceb
+dgab ebfad cdefgb gbefd fab cefabg fegcbda aedcf ba ebadgf | defbag afb gbfead dbefag
+cfabed ecabf cgafdeb bfc fecbgd dcab cb bfeda eagfc adfgeb | fgcae dfbega ebcdfg fabec
+eb cbgaef eagcfbd caebd gaedbc badfc abe degac dgeb cgdeaf | aeb gfaebc bceafg abcged
+gdecba ecbdgf def fcbade fd fdcg bgfae gdecb gfbde faegdbc | fbage ecgdbf egdfb dfe
+dc dac egcadbf gadbe cgaebd abgcd geadbf agfced edcb gabfc | agcbefd edbc bacfg cd
+gaebfc gdc cedbg dbeag cefd cd bcfgde cbgfda bcegf dabgecf | bgdea dbgec fecd cfed
+afd dfcbga dcbeagf bfecda egbcdf dagec fa bgfa fdbcg fgadc | egbcdf decga gbfa fa
+fg baefc gafeb dgaf cbgdea afegbd fbg cebgfd gaecdfb dbgae | ebfag dgbae gafd abgedfc
+cbaed gedac cefgbda feba be cadebf gdcefb fcbad bde cdagbf | bcadef cfgdab fdabc feab
+cfbdg fdgce adgcbf fb cbf acfegdb adgebc ebafdc dbacg agbf | fgba fgced ecfdabg bf
+fceabd gfb agfdb deabg beacgf cfdgbae fcdg gf abfdc dfbgca | dbaeg bfdga dgeab dfcg
+gfde facbde dcgbf fg gbf ecafgb cfgdbe ecdfb adcgb ecafbdg | gcdbf fg cfbdg fdeg
+fbgdce bg bacefg decab cbg fecgd egdcfa dbfg egdcb fagdbce | gb dcbea fedbgc fagecb
+abgcef fgbaedc dfaebg cgad ad egadcb abd cgbea bfecd cabde | efbcd abdfeg afbegd ad
+fagecdb bcafg ecadfb fa bagecf cdgba efbdcg befgc fac agfe | bdfcge ecgbf cfedba edagfcb
+dgf fcdbg cegbd fd bfcega daebgf dfca abgcf gafbdc fbeacgd | bcfdg fdg dfg adcf
+deb cbdgae edfbac dbcgf fbecga gdfcbea bgdec ed ecabg egad | bgcfd faedcb cageb ed
+gecfba dfagc afdbc adbcfg cag cabgdfe fdega cbdg dbacfe cg | afcbdeg dabcf cbafed dcfga
+feab ae cbgfe agecf bgecda bgecdf eca gfebca fcdbgea cgfad | bgdfec gcfbed eca cbdgaef
+fbaceg edcbaf dba becgd egafb degbfca fbadeg dafg da agebd | fbdega gfebca acebdf gbefa
+dbce gfbec defgb ed efdagc def gfbeca abfgd bgfedc fcbgade | fdbgce ebdfcg cgfbdea efcbgd
+abcdfg fcaegb egf dgcaf bdecf aged bdeacfg ge dgcafe gfcde | acbgfd gcadf cgbdaf gafecb
+fb gbfaed eabgdc abcgef adcbfge dgfac fecb bgf fcbga cageb | acebg cfeabg edgcab adgfbce
+fad ceafdg dcfag fbcadge geadbf deac da gcfea gdcfb efcagb | aegdfb cgadf aefbcg bgdcf
+dagcbf ef dacfg gfdce egf ebdgc dfcgea fabdeg aefc ebdacfg | gdefc dcfag bgdceaf acef
+dbegf eabcgd ebdafg fbdac cbg cefg eagbdfc cdbgf gdfbce cg | eabcdgf gecadbf decgbf gc
+degf cbefd bfcdeg bfdaec bcage cfgdba fg fcg fbcge cefgdba | fged cfgedab fdgceb efcbd
+cgbdae dbeca bcfdeg fcaged edgca be cbdaf ebd gfbadec egba | cefdgab cdfega bcgeda agcbde
+cdfgea gbedacf gacbf cdb decag db edcabf gabedc dgeb bgdca | bcfag bcgad ecdgfab bd
+ebcg cfgbae acgdbef eag agdfc ge edgabf cgefa facbe dacebf | cbgefa agcfd fgcad dfgac
+beagcf dafcgbe da acd bedcf begacd cdbae cefadg bagd bgcae | da fgbecad bdcef bfdec
+dg acgfebd fagecb bgeadf ebfgc gdb cdbgf dbafc gecd debfgc | egcbf cafbd facbd afbegcd
+geabd cadefb ec eadgfcb cedag gdbeca dec gfbdae dcfag cbeg | ec bdeafgc cbdafe ebcg
+be bfade caefgb eab gdbafe bedg agfdb edacfbg gdcabf daefc | acfegb bae fecadgb bgcfea
+be acdfb cgfae cbe agbe fgeacbd adegcf bcfae bgcefa fgbecd | cfabeg ecb efcdbg ageb
+afbg cfedb dacfgb fgdcb bgfedac cbdage bg acgdf fadceg dgb | cdbgfa fgeadc bafg dfbce
+debfc efb adgbce ef fbadec dfcbg feac dacgebf aebdc eadgfb | fcdgb efca cbdeaf edbca
+gcbde dgcbf dfc bfcgda df ceadgbf gcabf dbaf gcefab dfcega | adfb egcdb dgbce bdfa
+egbdca bgfed baefd cfdgaeb gdefc gcbfed gcfead bg cfgb egb | dcbage cbdgef dgfbe aedbcg
+dceaf fc fcge bgdaec agced dfbea cgeabdf adcfbg fdc egcfad | fedca fadeb dabegc aedfb
+acfbgd efcda cfagd decg de efcgdab eabfc gdaecf dae bedfag | fceda acdef ed cfeba
+defbcg ge egb eagbdc afdgcb cgbae fcadebg geda dcagb efcba | gdecba abgce gbadc daeg
+afbd fadgce gbfdea fcgedb bf bgf gefda bfedgac bgcea gaebf | bgfaed fdgecb fbgedc bfg
+cbafgd cbdge bc cbd bcef fgbde afgbde fgcbed dgebfca edcga | cb cb acged fdgbec
+acgd dceagf dc bafde fbaceg ced cdfbge fdeca egcabfd cgefa | dc egdcfa afegcd efcgbd
+bgdfac fb aebgc bfde bdecaf bfa aebcf edabfcg cgdeaf daefc | decfa fb baf fcbdea
+bdfegc gebda gecbfa fedbg fed dgfc fabdec dbcagef fd gfcbe | edcfbag dgfeb cdeafb fd
+gbeadf fdcga ecadb bceg ge egd dgebacf beafcd aedgc cgbade | dabec dge begdac dgaebc
+begc dcgbfa eb dfeag eafgb bae bcgaf gfaebc fbagecd becfad | gabdcfe fdcagb bgcdaf be
+eca febdcg fedag ecdaf fcba beagdc fcdeb ca dbefca acebfdg | ebdcgf fdceb gecdab cedfbga
+decfbga abgdce gefd afd aecdbf gcfeda acgde cafbg fd fadcg | edgf dafbceg egfd cedga
+faedgbc fbgaec dacb eba geacdb bcgefd ba bdegc eadbg gdaef | dfcbge deabcg bfecadg gfcbaed
+egfacbd acdgf gecdab ebacf abcfed eg begf caegf aeg bfgeca | dafbcge cadfg fbace cefdbag
+dgcfbae ac gbfeca badce gcad dfgcbe defab cea acgdbe dbgce | cgdeba egcdb gcad cagd
+dcfg agdfbc caedfgb df bagecf daf gcafb ebcad fdbac agebdf | bdfage fgdbac daf fd
+agefbd agcbfde egafb eg adge fge bfaced egdbcf daefb cabgf | bagef afgbe eg efbcdg
+adfegb caefgb ade ecgd cafed dbfeacg de fgcae fbcda fgadce | dbefgac eafcg gbaefc fedgac
+dbafg ecfga gfbae bae egdbac geabfc gcedfab ebcf eb cagdef | be cbfe bae be
+cfgadbe eca bcfadg ebdgac adgcb ebdca adbfe egcb cadfeg ec | adebgc feabd cae cgdfea
+caefdg cdfagbe fadbc afd eacbd fd bcadeg cgfba dacfeb bfed | df afcgb fceabdg fda
+edcgaf cfbdag cbfdaeg ec cae bgeafc cdafe abfde decg gdcaf | eca dbcafg aec ce
+fbgae cagef egdbac cg gcdafbe cfbg bgefda gce ceadf gebfac | gadbce cdegba gc cg
+bafgecd bdf ecabfg dgbfe dcefg gbefa bdea bdfcga bd bgfdae | cdfagb cfeabg faebgd fagbe
+afg dfcg fg eacdbg fgadeb cfdgea ecagd fcagebd eacfg bacfe | fg dagecb egdca cfdg
+dac dc fgcd agbecf gcdaef agbed edcabf fgace caged faecdbg | dabge gceaf gdafecb cdafgeb
+aefbg egf bagcf afegdc dfgceab begd gafebd eafbd eg fabcde | egadfb feg bgcfa efg
+fa debfg acgfdb eagbc dcebagf cedfbg dafe baf febga eagbfd | af cbfdga dcfgab befcdg
+db dbfe fdbga cafdg adgceb egbfa dbg bgfdcea ceagbf befagd | afdbge dceabg gdfab fdaegb
+fgeacdb cadg dfg edfga fdagce dg dfaec gebfa cbefgd defabc | geabf dfaec cfdae faegb
+abdce bafcg gdecaf cegba fbcadge adbcfe degb eg bdcgae eag | abdec facbg edgb ebagcd
+bcaef fg dgbcae adegb bafeg feadcgb egbfad fdgb fecagd efg | agfeb fge fdgb eadgb
+dbfage cdab bgcaef ecb cb dgfce dfbce fedbgac deabf beadcf | cbfed dabfe ebadf cefbd
+gcedb ceafdg dcg gecdfb dcfaeb cg egdba befdgac fdceb gcfb | begdc bedag eadgb dfecb
+bf dbcgea eabdfc feb gbfeac fagb becga fcdaebg dcgef gecfb | efbdcag abceg gcdabef gcbef
+ged dagfbe eg cgfe bgfacde gedac dceba agcfd cadegf gcfdba | gefc ge ge acegfbd
+gfabed aecdgf ecbag dge gbdae befd bfgad fdcabeg de fagbdc | egbad afdbg dgacef gdafb
+dabfegc gbcad gafd acd da fgbadc ecdabf bfgca fcabge gbdec | gbface fgcab bdgac ebdcg
+afbceg cdgfb gb afcbed dfcbge gbf adfgc fecbgad egdb bcdfe | fedbc cfeabd edbg cfebgd
+cbdae gc gdfc ebgdf gcafbe fbaecdg gbedc ecg fbgecd fdebag | gcedb ebgafc acfgdeb ceg
+bdce efacgd dgfbc ebfgad bcfga gdc fgbedac egdfb dc bfdgce | bagdfec efdgb ecbd fdaegc
+bdgefc fbca bc gfbcae fdcgae gdaeb cbega gcb efagdcb feagc | gcb bacefgd ecdbgf cfab
+fdbe defcbga adf cfgeba gcdae bacef cfadgb df fdeca dcefba | cbegfa degfcab fad acgfbe
+gabfdc ebcfd bacgf da fcgbea aedbfcg gdfa eadcbg cdfba abd | dab dabcf afcgb ad
+gb bfgcae dbgf cadeg bagdc gefadcb gbc acdbef cgabdf dbafc | gb fbdcae afdbgce dabgc
+cfgadbe agecfd ea gedfc edafc fage fbdgce ead aecdbg fabdc | fcbdage cdbage fbadc ae
+decgbaf edcgba afgd aebgfd da bfeag gfbcae bad cebfd bfeda | ecfdb eagbf efdba eabgdf
+cfdbae dc gbdef fbedag egbfcd gafec edc edacgbf egdcf bdgc | fceag gacfe daegfb bgdcef
+cbgda egdfb agebd cgedfb aed bfgdcea ae agdefb efab facedg | gdcaef aefb faeb begfd
+fdc begdf adecg gfaced cf efac abedfgc cbedag gdbacf fecgd | cdf fbgadc cabgdf acfe
+fedbg gabfe feda gde fcdbg de dbegacf bdfaeg abcdeg cegbfa | bgaef gadebf efgbac gbefa
+dgf fgdbea dg dafcb gdec edcfbga dbegfc gbdcf cfbge gcebfa | bdfgc dg egcfab bcdafge
+ceg daecb gcfdea fgacbe ecadbfg eg gbacdf cgabf ebfg ecabg | acgeb bfgca geacdf cge
+ge geabf gea abecgf fdabg caedbf egbc cgebafd cbfea agdefc | feabc bcdafe age eg
+gecdba ebdfg gcdef ecf cefadb fgac cf ecgafd cbfgead adgec | dfecg afcg bcfead ecadg
+gd cbfad fdagb cfbeag fabge efabdg aged bdgfec dgf gbfadec | acefgb eabfgc becagf bfgda
+ebgc fedabcg fdbgce fdebg eg badgf ebcdf edg adcfeb cfgade | bgefd cbgefd bgefd abfdg
+dgbfc abecfg gcdab fcgdbe dfge cbdfea defbc fgc dabgefc gf | gf dbgecf bafgec cgf
+degbac fda cdbag eafgbcd df fdbc agfdcb dabfg fbgea fcgade | fd bdceafg fdagbce df
+cedaf fgeabc egdbf gbaedcf aeg cgda dfaeg cfdbea fagdce ga | febadc gefad bfacde gae
+gea ebfgdc bcae cgafd abecfgd gbced ea gbdeaf dcgae gebcda | efgdab fcegdb cbgade acged
+cdabgef gb fceag fgb bfdgac gbcfa cbadfe dfcegb fbdca bgda | bg cbgfa dcfgeb afcgb
+fcbage adefc gceda bdegca cbeag dgeb efacdgb cfbgda adg dg | gad gabced gebd dg
+ecbdga gedbf dafeg faecbdg eacfg dbaf ad dbfcge gda dfbeag | ad gfbcde dgfea aecfg
+agfbde begfca bca baegc bc bcef ecdgbfa adegc bgaef acbfdg | fdbcag baecg cgdbaf bcdagf
+beafc badfc daecfb fd fad fdec badefg cbdag fbecgad gecfab | dcfe cbgeaf gdcfabe agdbc
+caedgbf fcgead ca gbadf abcd adcfbg fegbc dfaebg gfbac agc | fcgeda dbac afcgb dafebg
+gdfeb gdbafe bc ecb ebfagdc bgfce gfeca fdcbge aebdcf bcdg | cdfbeg gdbfe gefcb dbcafe
+gfbca gcdfe dbafgc cafgbe eacfbgd cdb agdb db cgdbf ecdbaf | adfcbe abdgfc cdb fcabed
+bcdaf fbed edbac cdaegf ed dbgaecf edc ebgac dbagfc fdbace | cbgae efdb gcdafe gbafedc
+cdfba cbdfae cfga bafdgc aedfgbc dbgef dag adgfb bdaegc ag | ebacgd adfgcb bdaefc gfac
+caefd ce abfdc egcbdf cfe fgaced bdgfea gcae fadcbge eagfd | fcdae fgecad ec cbefgd
+eafbd deb aefdg bd aecfbg bdcf abcfe gebcdaf agdbec bcaedf | dbcfae abfecd efabcd cbafe
+bdafeg efg gfcdae bagfd dfacgb ef dgfecba befa efbdg dbceg | fe gadbf aebfdg afeb
+cgbef ceb bfdgcae gedbac acgfbe be gceafd eacfg fcdgb fbea | abcedg dcgefa be fcegadb
+gacb gfbaedc fagdc baf gadcef bfcdea fgebd gfabd cfdgba ba | baf cadfg gbfad fab
+gafce df cbdfge gfd gdecb gecdf fdeb cadbeg agdbcf abgdcef | cgfea abgcde decgf fgcdbea
+egdbf cbfgde aed befa gfdbae ea abcgd edfcga bcaegdf agdbe | bfae cagbfde cbgda gedcaf
+eb dfbacge dbgae becafg abe gadfb cdega cedagb ecfgad debc | cfgeda fagedc afdbg fdcega
+efcba becagd gafcdbe eafdbg dagbcf agfbd gefd de bfaed deb | fabce bgaedc ceadbg bed
+cbaedf fdgebca gdbe dabce eag ge bacge bagcf decfga bgecda | defgabc bceagd aeg gbacf
+dgeabf aefgcdb ad bcfae bdacf dacg bgfdc ebfdgc gfdbac abd | dcga adgc decfbg bafce
+fgcba cbdfeag dagfb dcgbaf dcaegb ecbafg bdg bd fcbd faegd | bgdaec feadg cbdage dcgafb
+bdc dcfgeb ebgca bdea bdcga abfecg gdcaf bd aecdbfg aebgdc | bade bdecgf bdc cbadg
+bcdaeg facgbd caedfb aefdb dgfbe eba ae dcegfab fcea fbcad | cbafed baecdf ae ceabfd
+efcbg egd dg cabgef bfdceag fgcbde fdcea gdfb dgebca dfcge | fdgb gd fbgd deg
+cbgdfa ebgcfa abdge bdeca efcgbad cd fbedac abecf adc edcf | agebd gfabedc dabfegc abfce
+edg abdgce gcefb dcbge dgabfe gcdab de cdebfga cdae fdabcg | gbdafc agcdb dgfceab bafgdec
+acdb dgbfec eagfcdb dafbec cae ebdfc ca gfaed acdef gfebac | defac begdfc daegf fdeacb
+cgedf gfadce debgcf fedagcb aefbc bcdagf db ebfcd bfd begd | db cgfde dbefc gedcfb
+afcbegd dcfge edgbf bdg fabd dabfeg gaebdc abgecf gfeab db | debacg gfbaec fadbegc afcgbe
+fcbg cdegf ecdga eacdfb befdg dcf fc dfegba dbfgce agdfcbe | dcf adcge fbcg dgaefbc
+bcfea fcbead ecd cgeafb aebcgd bfed bcgedfa de cadfg fedac | de egadfbc debf bfagec
+efcdabg afecbd defba cabfd ebca cgdaf dfabeg bc efcdbg fbc | bgdefc afcgebd gdefcb efabgd
+edbaf agfbcde gbfcae ag dega aefcdb dfbega dfgbc afdgb bag | dagefb ga decbfa aecbgf
+cbdg aegbcfd badce dgaebf abdcfe gad cgeda gd fcage ceagbd | fdcaeb dbeca beafdc bdace
+decb dagfe dcgbafe fecbda acfdb adfbcg agefbc fec ec faced | fcadeb cdagfb agbfce gcfdba
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