diff --git a/2015/day-5/input.txt b/2015/day-5/input.txt
new file mode 100644
index 0000000..17f709f
--- /dev/null
+++ b/2015/day-5/input.txt
@@ -0,0 +1,1000 @@
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\ No newline at end of file
diff --git a/2015/day-5/part-1.ts b/2015/day-5/part-1.ts
new file mode 100644
index 0000000..aa391f8
--- /dev/null
+++ b/2015/day-5/part-1.ts
@@ -0,0 +1,39 @@
+import fs from 'fs'
+
+
+const input = fs.readFileSync(__dirname + '/input.txt').toString()
+	.split('\n')
+
+
+
+function isNice(str: string) {
+	if (str.includes('ab') || str.includes('cd') || str.includes('pq') || str.includes('xy')) {
+		return false
+	}
+	let vowelCount = 0
+	let lastCharacter = ''
+	let hasDoubleChar = false
+	for (const char of str.split('')) {
+		if (char === lastCharacter) {
+			hasDoubleChar = true
+		}
+		lastCharacter = char
+
+		if ('aeiou'.includes(char)) {
+			vowelCount++
+		}
+
+		if (vowelCount >= 3 && hasDoubleChar) {
+			return true
+		}
+	}
+
+	return false
+}
+
+const filteredList = input.filter((it) => isNice(it))
+
+
+console.log(
+	"Result:", filteredList.length
+)
\ No newline at end of file
diff --git a/2015/day-5/part-2.ts b/2015/day-5/part-2.ts
new file mode 100644
index 0000000..9445d89
--- /dev/null
+++ b/2015/day-5/part-2.ts
@@ -0,0 +1,43 @@
+import fs from 'fs'
+
+
+// const input = fs.readFileSync(__dirname + '/input.txt').toString()
+// 	.split('\n')
+const input = ['qjhvhtzxzqqjkmpb', 'xxyxx', 'uurcxstgmygtbstg', 'ieodomkazucvgmuy', 'xxxx']
+
+
+
+function isNice(str: string) {
+	// console.log("Looking at", str)
+	let hasRepeat = false
+	for (let i = 2; i < str.length; i++) {
+		const currentLetter = str[i];
+		const otherLetter = str[i - 2];
+		if (currentLetter === otherLetter) {
+			hasRepeat = true
+			break
+		}
+	}
+	if (!hasRepeat) {
+		// console.log(str, 'has no repeat')
+		return false
+	}
+
+	for (let i = 0; i < str.length; i += 2) {
+		const combo = str.substr(i, 2);
+		if (str.includes(combo, i + 2)) {
+			console.log(combo, str, 'is nice!')
+			return true
+		}
+	}
+	// console.log(str, 'has no pairs')
+
+	return false
+}
+
+const filteredList = input.filter((it) => isNice(it))
+
+
+console.log(
+	"Result:", filteredList.length
+)
\ No newline at end of file
diff --git a/2021/day-8/ex.txt b/2021/day-8/ex.txt
new file mode 100644
index 0000000..8614893
--- /dev/null
+++ b/2021/day-8/ex.txt
@@ -0,0 +1,10 @@
+be cfbegad cbdgef fgaecd cgeb fdcge agebfd fecdb fabcd edb | fdgacbe cefdb cefbgd gcbe
+edbfga begcd cbg gc gcadebf fbgde acbgfd abcde gfcbed gfec | fcgedb cgb dgebacf gc
+fgaebd cg bdaec gdafb agbcfd gdcbef bgcad gfac gcb cdgabef | cg cg fdcagb cbg
+fbegcd cbd adcefb dageb afcb bc aefdc ecdab fgdeca fcdbega | efabcd cedba gadfec cb
+aecbfdg fbg gf bafeg dbefa fcge gcbea fcaegb dgceab fcbdga | gecf egdcabf bgf bfgea
+fgeab ca afcebg bdacfeg cfaedg gcfdb baec bfadeg bafgc acf | gebdcfa ecba ca fadegcb
+dbcfg fgd bdegcaf fgec aegbdf ecdfab fbedc dacgb gdcebf gf | cefg dcbef fcge gbcadfe
+bdfegc cbegaf gecbf dfcage bdacg ed bedf ced adcbefg gebcd | ed bcgafe cdgba cbgef
+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
\ No newline at end of file
diff --git a/2021/day-8/input.txt b/2021/day-8/input.txt
new file mode 100644
index 0000000..40b2cdd
--- /dev/null
+++ b/2021/day-8/input.txt
@@ -0,0 +1,200 @@
+cg fadegbc ecfadb acdbeg abgfe dcegfb gcad bceag debca bgc | ceafbd gfedcb cabedf dbace
+bgeacd ea dfcab fcdgbae ecbgf gbcadf defa cae dcaefb fabce | ea fdae daecgb cea
+fb gafbec dcabe ecfdag fagdcb afcdb cbf gdfb agfdc acfgdbe | acdgfb gdcfa bceda bf
+fd bcafe afed acbfde fcbde fcbgae fgabdc edbgfca cgebd dfb | dbf becgd bfd efcdb
+deacg egfdbac agefd gbedc gebfca ac gadefb ace fadc fcdgae | gabfde cbdgfae ca eca
+cfaedb gedfa fbegd dgca ga dfcae agf dfagceb gdfcae ecbgaf | gaecfb cdag gfa gaf
+ceg gfdcab dfacge edgf fecagb ecdba ge gceda fcbaged cgdaf | gdaecf gceda fbacge dcagf
+caged egbdf edabfg fbad fagde gefbcd fceabg afg fa cfdagbe | bfdge degca fbda af
+dac egdacf fcedbg dabcg gdfcb dbaeg ac cfdaebg cafb afdbcg | decagf ebdag bfdgce fdbgec
+dbaec edfac bdgae dbcegaf bc cba aecdbf cebf gbacfd facdge | efbc cab ecabfdg cab
+gfce acf fecda egfda gbcfda fc gcefda dbcea afdbge dbceagf | bfedgac bfegda fcgdab fecg
+edfgb ebf be gdcafe degaf agfbced deba bdafge dgcbf cbeagf | efb dbcgf dgabef be
+ebgfd bfcg gf fcgbde dfbagec gefcda fadbce gef febdc edbga | gf dgbefc gfe bedfac
+gabfec dcfage febg gcaeb gcf agbcf gf cbafd cabged cebfagd | egbf fg gcdbea dfbac
+fgcedb fagbe aecgbd gbcaf bef fade fagdecb aebdg ef feadbg | abdge abfdge abcgf gabedc
+dgebfc cebfa dbf acfbdg edbafgc dgfe decbf cdgeb eadbgc df | bgdcefa caebf fbd adfbgc
+febgd fgaced bfedacg bfdgae fdcgbe fabed fcbea gdba ad dae | dae agbd gbfdea aegcfd
+abdgf adcf bfdeg fa gfecdba fab debcag bcgda bcafdg fecgba | edbfg gcfdeab bgfda dfebg
+ecdba bc dcfeba eacgdf cbegfad dbcf begda fcdae cebgaf cab | abc bc ecfdab cab
+bc fabcged bcafg debfcg gdfac fgbea acfged bcg cdba dgfabc | baefg fbcag begcfad dabc
+egfadb ce fgce bagdc gdafce edabcf gefad febdgca aec aedcg | aefbdg ec ceadg gecad
+daegf gebf acdbf be faedbg dbe eabdf fdabgec aebdgc cdefag | be gfdeac bdfac gdbace
+bafgc efac gae ecgdba ebgfa ea degbf afebcg fbacdg afedgbc | acfe age dbfecag bafgc
+gfb bgacfd efcbd bdfeac bg efgcb gcbfed gcafe begd bfdgaec | cbgef gcfea fbcdae faedgbc
+efdbc abd afcbegd dfcba fbedga ceafgd cgab ba agdcbf cdfga | dcafg cabdf ab bcga
+fde fgadc fgceb eadcbfg gebd agfcbe ed fgbdce cbeadf egfdc | bdgcfae fde edgb gbde
+abdcg gaebfc cfadebg cdfbg cegbf ebcgdf dbf fd cdfe fedagb | dgbca cgfeadb gdfaeb beagdf
+fedbc gdeacfb cfbgae ebacdg gafc ca bgdfae geabf eafcb acb | bafge aefcgb cfbae defbc
+fdega cefabd fce bfdegac afecbg fecad cfadb debc ec dfagcb | dcbaf gebfcda fce fegad
+fab gaedb cagbdf fbce fecgad dcfeba dacfe fb fbgaecd faedb | dbecfa gefcdab bfa efbad
+bcega gbacfe aecgdbf gae cabgd ebafc edgcfa ge facebd gefb | baecf efacdb ebagdcf fgeb
+fgea acf af edbgca defbc fegbacd bagcfe ecbaf gdcabf gaceb | aebfc abgfec aegf dcfgab
+ecfgb cfd dbcgefa fcdbe debaf cdgefa cd cfgdbe acfgbe bcdg | bcgd fdbea dcfgbe fcd
+gdfaec fdcabe eb acbgd cbe bfae facbdeg cebda bgfced cfade | be dface eabf cbeda
+efbagd ebf fdceba gfdae dfgabec dbgef bf fabg gbcde dgecaf | dgbef gfdeba afgdeb gdefb
+gcadbef fgadc cbd cb bcgf bcfad dgfcba edafb gfdeca ebdgac | bc fdgcae ecadgf bdcega
+defbg dgbaec gbe eg dabfg fgdaeb badfgc cadgbfe egaf debfc | gbfde fgebd gedbf egfa
+caf gcdabe bfag fa edfbgac becafd cbega edcgf afceg faecbg | bafg abgfec ecfbda fbag
+egfcba dafgcbe cefga cdbgae acfgde bgcfe ebfdc bg fagb bcg | fcebg dfegabc dgecba defacg
+bgcdefa bcfged bf cadbgf edbcf fdb cebgd dfcea gbef gedbac | bf dfecb fb dgceb
+bdegc decabgf agbfce bdcfg eagd gebadc dfeacb deb ed ebgca | dgcabe de dgabec bed
+eabdf gedbaf afcbedg afcdg bgd gbae gadfb cefdbg bfdcea bg | acdgf dbafg geba gbd
+egabdfc dg efdcab bdcef dgecf cfgea dfg cfedbg bagdfc gbde | fadbgc gcfea ebdg gd
+fcge cf ecbfad acfedgb agdef fcgda aefbdg afc cagdb cdafeg | cfa gcadf dagfce acf
+cbadge gdec efagb ce ecb bagecfd gbcad gabec dfacbe cgbfad | acfgdb gcdba cegbad fecdabg
+cegbaf aedcg acgbed fadbe afbcdge gf fge gdeaf dcgf cegdaf | ebadf fagde cdgf baedf
+ebdgf dcgbfe cfdabe afdg agbefd ad daebg cbadefg ceabg ade | bagce bfged cbfged gedab
+adbf decbgf dbc agcdbf cdeabgf dcagb eacgbf abfgc cgaed bd | cbd dbcgfe abdcg cdaeg
+bgcaf fgbae edbcgfa cdfba cbdagf cg cga fgdc edacgb bfcdae | dfabce bdaefc dbfca dgceab
+gbe gedc fdgcab bdgaefc eg cageb ebgadf acbfe beagdc dgacb | gedc gbe bcgea gadcbf
+dcega abgecf cgeab ab gfedbc adfbgc bcgef bafe dcafebg abc | gabdcf acb ab ab
+dfgebc cdgef bc efagb bfceg fgedac cbf gcdb egbacfd cfdaeb | dbaefc agdefc ecgdbaf fecdga
+febacg efgba ebfdg aefcb ag gba gacfbed fagc edbafc agbedc | gab ag dgfbe ecdgab
+cabf fegacd bf ecabgdf gfb bdefag cbdge dfcbg agdfc gbfcda | dgcfba gfb eadfbg fcedag
+dc fcd aecgfd cgfda baefgd cead fgacbed cfbdge eadgf fgabc | fedcga eagcfd gcfda gfdea
+fgbaed aebdgcf edabg fdba faecdg fgaed gcbed ab cgebfa gab | edbcg becdg ab edbga
+agdcb edfbgc edbca ae aeb aefdgcb eacf facedb agbefd ebdfc | adcbegf fcea acedgbf dcgebf
+ecf dgfeb egac dacfeg abcdef ec gfebdac cdgbaf cdegf fcdga | dcabfg efc ec fgdecab
+dcega def cfgde aegfcb deabfcg fd defgba egbdfc bfcd cbfeg | bagdecf df fed dcbf
+gecbf bcdfaeg cdfga fgdcbe gcfbae eafb fagcb bga daebcg ab | acgfd bfaegc gdafc feagcb
+edfbg df dcfbae edf bcegf egfbca acgfbde aegdb dcgf efdgbc | gbcfea beadg dfe cdfbae
+gdbfca acebgd cabdf gebaf becdgaf ed fedc bdefa eda ebcfda | bcfdag fcdaeb fcdab ed
+eafdgc gbdc efadb cd abfceg daebc dce afegcdb gbace becgda | dgcefa dabce gceba bgefac
+bdaf cbgfd fag fgabc fa fcbegd gedfac gcaeb fgdacb eafbdcg | af gebdfc bgdfc fa
+bdafec fdag gbfce dgc dfgbca dacbge cfabd fgdbc dg faedgcb | gcdabe cgaefdb gd gdfcaeb
+ebdcfga afedcb aegdcf fbeg cbdag fg adfgbe ebafd bdfga afg | adcgef fadcgbe gf edbfag
+dgeacbf gdaf bagecd dcefa caedfg dac gcebfa fgace dfbce da | cfegda ad da abcgde
+bfadecg ba gab bafecg ecab dfgca cgfba bdcfge fecgb fdabge | ba ebac aebc fabcg
+eadcg efd cdbf cfdea cbedaf egdafb cfbaeg fd aebfc adecgfb | aebcf fed abedcf aedfcb
+gdb cbdaf cdge cdaebg efgdba egcab gd afebcg gdbca gaedcbf | dgbca begca cbgaef gceba
+bdfgac fgadb adbgc fgca cfgdbe adbfe fg dgbace bfg dgabecf | dbafe gacf gdacb fadgb
+gedbfa cdg aecgd edfgca fbdcage cd fgdabc fedc dafge cgbea | gafde bgdeaf dc defga
+fdceg edfcb gd febgcd dgfb gcd aefcg cafebdg bafdce debgca | gd cfedb defcg cfadegb
+adbfe bgcfda gefda gcaed dagbfce dbeagc gaf gf gfdeac cgfe | gfec ebgdac eabdf gcef
+fc cdf bcfdeg dfgaeb fcgdea gafc bdeca fcbedag faged dacfe | adfebg ebcda fdega agfc
+deagcf ebagfd bgafdec cd cabeg bcedaf dec cfdg gadce adfeg | ebgac cagde dc faedgb
+dcgab ac fabegc dcaf acg fadbcg fbgacde cfdgb cbgfde debag | dagbc daegb edbga cag
+fgcead edbcg cfaed dcgef dfbgcea gf badcfg fdcbae gfd fgae | dfbagc dfcge gf dfeac
+begcf cbf aebf fdgacb gdebac ceabg egabfc gdcfe ebgfacd fb | debcga bgaedc fdabcg abgce
+efgbcd febdga bc fbegd befcd dgafebc ebc fgbc dgabce caefd | fbcg ecafd cdbfe cgbf
+eafg badgec ecgab gdcfb fca fa cgabef fcbag fbeacd cegfbda | fa cabdge acgbfe cdbega
+gdfae fdagbc fecgab eg fadec abgdef abgdcfe dbge eag fgadb | dbafcg befdag ecfdagb aebdfg
+aegbcf bfgecad acgfbd dabceg aefbd gcfd bgd gcbfa dg dagfb | cdgf gd dfbga bdafe
+bcgdf be gcdeb egadc bagecd ebd cabe gdcfeab badfge egcafd | agbdfe be ecab ecbgd
+edbafc fbdgce befgc cge ebdgac eg bdcfe egfd caedgbf bcafg | gabfc eg ceg cdbef
+cbadf af afc baef cfbdg dcegfba ebdac dabgec acbdfe afecdg | cdbaef decba bdcaf dbcae
+ea eac cbgaed cdbaf adge dgfeacb bdaec ecbgfa dgbce gdbfec | cdfba bcdge ae cabgde
+bgecfa abegcfd fgcad fgdcae aedc dfc fbdga cd defgcb cegaf | gbafec egdafc aced acbefg
+becfdg abgcdf abgec dafceg gcdbf bfgadec af fac abdf fcgba | fac abgcf afbcdge fgdbc
+cbe ec caefgdb cbgeaf ecbdag bcadfg cdae cbgad defbg egdcb | dace ecda aced ebgdf
+aecfbg cegdfab fdace ecd cd gadc cgdaef efgca gdfebc badfe | cfdea cd eacfg aecgfbd
+bafgdec gcd gacdf gbcaf cd cgfeab dgbeac bcfd abcgfd fdage | bfcd dc cbfd dc
+gadfec gfadbce gceba abcdf gd bdeg cebgda cdg afbecg bgdac | dgbe afgdce egabcd gedb
+fc defc cdeab bdcgae acebf caf cgefbad efdbca gdfacb bfgea | adfgcb cbead efbcad dcagbe
+fecab adfgbe ecad ca adbfec cab cdfegba gcadbf gbfec eadfb | bgdacf dgeabf ca cgbfe
+gbaefd cafged feac cegdb eafdbgc ea agfcd dgace bagdfc ead | ea gedcb ea acgde
+cbaedf dfbcga cbagd cbfadeg fdbeag bgfad cdgbe ca acb gacf | fabgde fgac acb fcag
+efgc fg agbdcf bdfce bacdgef dgfbe gdfceb fbg edfbac eadbg | dgfeb cadgbf egcf dcfbge
+bdgea gbcf facegb acdfbeg ebgaf dabecf bf gfeac aegcfd fba | fb gabfe cbfg bgafe
+fedcgab fceab cgab egbdfa cgaebf cefdag fca fcebd ac begfa | afc adgfec bfgea bgeacf
+bfda gbcadef bgecd dafegb daefg aecdfg bgdfe acbfeg bf ebf | dfabge bf dbaf bcfaeg
+bacdfge aegdf ebgdf fcaeg edcgfa fbecga ceda adf fabdgc ad | dbgef fagce edafcg bdgfcae
+abdef gaedcf afdgeb becadgf edabc bcdeg bafcde acfb ca cda | dfgbea cda dca adc
+efgd fcgbea gbadcef dcabe fe aebdfg fdabgc abfed feb agdfb | egfd fedg fdgeabc eafdb
+dcabegf gedac ecgfd cea gfcebd agdbe ac gcfa fbeacd gdecaf | fegdac gedab dgaec bfdeca
+bacdgf dgce ec cafdeb fcega eca cdafg ebagf degfca bdfcega | cae fgdabc decgafb cfagdb
+gefac egabcfd gfc baecgd eabcgf dafec gf cbage acgfbd egbf | abcgfe bceadgf feacg egbf
+gbcaf dcaefb gdec adfeg acefdbg fbdage cdfag acefdg cd dca | gecd cgbfa cafgd dc
+fbadge bdcg acb caebfd bgead gbcdea caebg dbgcaef gfeca cb | acdegb gabde gbcae abc
+bcd agdce edbagf gfdecb cbfa bc debafc aedfb beacdgf cbead | ebcfgad dfgceb gdaefb bfca
+bag ab ebca dabecg agcde dbfagce efgcad gbcdaf egdab egfbd | gabed gaecbd ab eagfcd
+gbcadf cdabg bd dbg afgbedc fdgca gacbe adcfge cfbd gedabf | gdb dfgca gfabcd dacgb
+cfeabd cabgf gadfeb gbadc dcbgae dgec bdage gbfcade cd dcb | dceg bedcfa edgacb dc
+bcdfg gdfeab abecdgf edg gefca ecadgf fedcg deca ed gcbefa | bdacfge fecgbda gbcafe fedcg
+acbgfd bdgcf dcfga fbd dfbcgea fb dbgec eafbcd fbga efagcd | gfdca bdcfg dbf afgced
+dafecb acedg bc dgafce gbeac fgceabd bce gbefa gdbc dbceag | agfcdeb fagdce afgbe dfecga
+fgadce db fbadg deagcfb abd aegbf gcdbfa fgdac gbaedc bdfc | daegcf faegb bd dba
+bdga fbagc ceadbf ecgdfba bfgce fga cbfagd ga cfdab gecdaf | fcdaeb ag cegabfd ga
+fce fcdg adfgeb cegadf bafdce fecga fc becga dafebcg agfde | efbagcd afged fedgba efcga
+cegdba fb bcdeg fecb gdeaf acgfdb fdb fgdbe cbdafeg gecbdf | afedg bf dfegb fbgecad
+eg feadcb dgec egf afedc eabgfc gaedf bdgaf acdgbfe egafdc | eagfbc adecf egdc afdge
+bg dagfe edfcabg dbgcae fgaedb fbag fdcage dgb bfegd cbdef | dbgef dgfbe bg efbgd
+dabgfc acefbd cegad cbeda bac adbef cb bcfe fbgdea cafbegd | fadceb ebfdga ebcad bac
+gfbca decbfa ecadbg cga gc cfdg bfcadg bfeadgc cfabd efgba | ebdfca cfagb degacb abdfc
+gcbead fadbge befc bgfceda dbcea cbefda bfa gfacd bf facbd | abf cedba fba dgefcab
+baedc feag begafc fcagdb eg bagcefd baceg gce bcgdfe cfabg | cgabf egaf ge fage
+ecab ce bfcdg fabgce efdcag cgfeb gbaedf dfegbca cef baegf | cefdga gdecfab cfbgd bcaegf
+beacfg fg efg ebfcd dbfgcae fbga bgcea cefgad cgbfe ceagbd | bdcafeg baecfdg fecbd gef
+cebdfg ba abf bdgfaec aebcfg gfcdb dbga afdcb gcbadf fecad | gbad bgdfcae gfdcb baf
+gceaf ebf eadb abdcf adfebc fdbceg cgafdb efcab cefdgab be | ebf dbfcag efb feabc
+fgbcda bceag dfabge fbdceg fced bgfdc fabgdce fe gfe cgbef | abgedf cfde efgbc gfabcd
+deagcf bdfacg fcbad dca gfdbc ecgbadf febcdg dbafe bcga ac | afdgcb cbga dgafce adegcfb
+dbceg bcg gfbeca cgfbaed egfcbd ebgfd gcfd cg bdaegf decab | cg dgfc cbeda dfgeb
+cfbed bdae dfcgb ed efbca cde fcbdae gbcfae fbdgaec aefdgc | dfgace becafg cagebf fcdebag
+ed dfce dae bedca gfaedb befdac bacgd eabgcf bfcae agdfbec | bcaed edacb cdaeb ed
+dagcb cbge daefbc bgadfce bc cfgad abdefg gbdea cab cabegd | badgc ebfcgda bdcfgae abcgd
+ac fgdca gfbdca bcgdafe cefdg cgbeda cda gaefdb fbac dgfba | fdegba egadbf ca bfca
+fedgc dbcaf ceb adefgc ebdg acgbef cbefdg be befcd dcfaegb | dfecb gbcdef eb fgceab
+aefcd fcgaeb eacdgfb fbcg aebdgc gdbeaf agfbe agc cgaef cg | cga gac dabcfeg fbdgcea
+af bdeag gfbdace fga bcaedg cdegf feab eafdg gfedab dagcfb | fgacdb faedg ecbdafg fcedg
+dgafc adfcebg fagec dacfeg fgd fd gbdac defc fdaegb gafbce | cdagb df fcaebg dfce
+bacfdg dgc cg bcaed adcgb cafdeg bgcf dgfab bgfead cbfaged | bdfega dgfeab fdgba agbdc
+agfebd cb bafecg efbga edgac gfedcb cedfagb afbc gcb acgeb | bc cgb bc cbg
+fgdae edfbca bgdf gceaf eabfdg aebfd gad defbgca gdceab dg | eacgf agecbd gd gcabed
+befadcg gdfa afdeb aebfg fg bcfead gadfbe gfe cgeab gfbdce | adebcf dcgfbea deabf abgec
+cb cbg gbaedc efbga bcafgd caefdbg efcdga eacgd bcde gbcea | edagc cebd aefbg bdce
+cdaebfg edcbg cgedba acbeg fbdgc edg fagebc cdea ed abedfg | ed gcbdefa cgabdef baecgf
+eafbg acebgdf dagcb eadc ecg ce cfbgda cegba dgbace bfedgc | edac ce bagcd gfeba
+egafcd gdfaceb acegf cgda deg dgfbea gd cdfge feabcg cedfb | fadcegb egd caedgbf febdc
+feag eg aebfc efcadb bge cdbgf fgbcead bdegac ebcfg aefbcg | ge adcegb fceagb ecfba
+beac bdgea ebagdc bdgafc bcagd age bcgdeaf ae dfaecg defbg | egdacb eag dbcage ecgadbf
+ca agdbec abc dbgfca gbfecd cbfgd acgf fbdae fdacb ceafbgd | dgfbca abcdf ac cfgbda
+bgadf cdgbefa bagef bfe agfdce cebg ecbadf gbecaf eb egcaf | ebdcgaf cebg faegb fgbae
+bfgcea fdgeca cae gbeca abcf cfebagd ca fgdbae cebgd faebg | gfeba ca fedgca gcabe
+cage dfgaebc ae gfbed ebgaf decabf afbcg bfacdg aef cbaegf | debagcf bfgca agce bgeaf
+bcegdf cgdafb abfd abgcfe fdg gfdac gefbcda dgeac afcgb fd | gdbcfe cafdbge gaecbf dgf
+cgdbe decba bfdgcea debfa cfdbae gafedb ac fbca agfdec cea | dgecb dacbe edagfb gfdbea
+gacdef bfeda afecd gfbae bdcega bafgcde dab dfceba bcfd db | db eacdgb aedbfcg fcgbdea
+abdgcf dafec faedb cf bcfgeda gefbad cabfde cfbe afc aegdc | bdfega afgdecb fgdcba gedafb
+aedcb fce bedfc cfbged gefb bgfeacd edgacf ef gcfdb dgfabc | gedfca fabcdg adfcge cfe
+dbfagec dabec eda fdcbea ed agdbc gfbcea cbefa efdb gfdeca | ecfgdba ade fcagebd dea
+dafbe adfbcg bfeac cbe bagfecd cfge egcdab cgabf ce gfceab | bcagef afgcb fcgabd gcdabf
+agc ag gbaecf cagbf fgdcaeb bdgfc cefab ecfagd bega aedfcb | ebcafg fbace cag eacfdbg
+ea gfbda eacd bfced eagfbc aeb cbfged befda bgafced dacfeb | gfbad aeb fdabg cedfbg
+gcbadf gbead afcbde gad beadf daefgb aecgb dg efagdcb gedf | dgef fegabd afebd dg
+dbc fdcge dabeg aceb cgdeb afedbg cdgeba bdagcfe bc gcdbaf | gcadbe dcb abcedg edbgc
+bfcd ebfgd cgf egcab bfdcge adfgec gbefad fcbegad gfebc cf | fcdaeg dbegacf dbcf cf
+bcfedga df dfa gcaedb fagcbd adecbf ecgaf dgfb gcdaf bdcag | gecaf df gfbdeca df
+acf cdfe dcbegaf feabd ecbgfa dbacg aebgfd bfdeac dcfba fc | gfedba fc efdc dfbaecg
+ecf bgaecd ecdgfb adgfe egcfa fcbedga bagec gacebf cafb fc | cfgaebd aecbg ecgab dgbeca
+beagc aegbdc fcdeb fcgbe gf geaf acgbfd fcg fecgdba fbgeca | bgfadc baedcg gfc gebacf
+gedf caebfd fcgea bdcgae age acefd fdcagbe gacfb gcefda eg | bedcaf dgeabc acgfe aeg
+gceabfd cdgba cgfdae cfdagb begd ceabg ceafb ge gae gabdce | fcgaed dgfcae acegb ebgd
+deg cegdbf dbceg bdgafe baegdfc bcadg de agbecf gfbec ecfd | fdce ed de gedabf
+afgced gb dbg gbec badcfg abged baedf eadcg cafgedb gdbeca | fgeadc bg gbd beadg
+ad bdegca cgabd bedfgac gda cead bfcaeg gaecb cdbfg edgabf | dfbagec eacgfbd cgedba ad
+bacd afgecd ba eadbcf fdgeb bgacef feagcdb bfdae deacf eba | abe fdebg abe dgafec
+cdafe dab febdga fcbd fceadb bd fecdag agceb abdcfeg bacde | dab cbdafge dfaec dagefb
+ecbgad cbe bdef dfegcb dgbcf agcfe fgebc eb fdgbca ebgadcf | bfdgec be be fcgea
+cdg dabfc edbfac gd fegac dfacg gfdb deabcfg dbacge bcadgf | bdcfa efgca cgd aedgcb
+adcfe afd deagcf faebc ebfcagd efdg cbeagd gabfcd fd cedga | daf dfcae fd egdabc
+dgfc cabfe bcg abegdf gdafb cg afbecgd fcagbd aedgcb bfgac | agefbdc gdfacb cg cafdbg
+fbadge bfgca agf dacbfge bdcafe bfeac aegc ga fabgce dfgcb | fdebga fgbcd baefgc geac
+abe ebcfga dgabc gfcbe fcadbeg gafe ea gcabe fdgbce aecfbd | gadbc ebcag ecgbf gabefc
+gd ebacfd afedcgb cdeabg cabgd gad aecbd ecdg gdbfae bacgf | egdacb agfdeb cbafg gda
+ec dgfae gfdcba ced dagebc dcafbe cadfb efacd edgfabc cefb | abdfgce befc edc debgca
+ec cfed gbafe gfecdba cfdgae cae gfdac gacbde fdcagb ecfag | dcafeg ce fdbaecg gaefb
+acge fgebd fcbeg agfcbe ce bcfga cbe eabgfcd gcdafb edfbca | gbafcd abcgf agbcdf ce
+eafgcb bface dcgebfa dbface dc ecadbg acfd fdebg dcefb bdc | dacf bcfega cafbe dc
+cdbgae befcg bgade fgbeacd gbdfae fbdacg fd dfg aedf bfgde | daefgbc edfa abegd bfadcg
+dcage bcae agdfcb efbagd bdafceg gfecd dae dbecga dgcba ae | cdgea aed afbcgd aed
+fbedcag agfe cbeafd efgbc gacbd agefbc af cagbf cedbfg afc | gfaebc dagcb febcg ecgfdab
+abecgdf cagbd efbdc ebfg fg gdfcb aecdgf dbgcfe cbafde gdf | decfb gfd fbcgd fdg
+ecbafd ba bafdeg fgdba dba fgebd cbefgd bgae dcgfa daegcbf | adb bfadg cbfead ab
+egbdc acbfged gae cdaeg ga agbefd acgf decaf cdaegf eafdcb | agcf ga daegcfb cedbg
+bafce adcfeg caegfb cefga fb fab bdcagfe dabgef bgcf ebdac | gface bcaef fab fcabe
+gcedab facgbd efadg edacg bdafecg fedgb fda af aefc gafcde | dgecfa ebdgac fa bdfeg
+gdba gedfb egfbad fegadc ecgfba dfbec gd cbedfga abefg fdg | fcadge gdbef fegbac agbef
+fbdec fdbceag feacb fbcgd dcbfge dec efgadc dcbafg ed dbge | cabgdf ceafb afgdec de
+cbgaed fbagc cbfd bdaegf bdcag egdbfac afgce bcfadg baf bf | fb baf edgafb cbgda
\ No newline at end of file
diff --git a/2021/day-8/part-1.ts b/2021/day-8/part-1.ts
new file mode 100644
index 0000000..1ca64ff
--- /dev/null
+++ b/2021/day-8/part-1.ts
@@ -0,0 +1,23 @@
+import fs from 'fs'
+
+const input = fs.readFileSync(__dirname + '/input.txt').toString()
+	.split('\n')
+	.map((it) => it.split('|')[1].split(' '))
+
+function is1478(str: string): boolean {
+	return str.length === 2 || str.length === 4 || str.length === 3 || str.length === 7
+}
+
+let count = 0
+
+for (const line of input) {
+	for (const item of line) {
+		if (is1478(item)) count++
+	}
+}
+
+
+
+console.log(
+	"Result:", count
+)
diff --git a/2021/day-8/part-2.ts b/2021/day-8/part-2.ts
new file mode 100644
index 0000000..f2a200a
--- /dev/null
+++ b/2021/day-8/part-2.ts
@@ -0,0 +1,37 @@
+import fs from 'fs'
+
+const input = fs.readFileSync(__dirname + '/input.txt').toString()
+	.split(',')
+	.map((it) => parseInt(it))
+	.sort((a, b) => a - b)
+
+function costToLocation(values: Array<number>, value: number) {
+	return values.reduce((p, c) => {
+		let diff = Math.abs(c - value)
+		let mod = 0
+		while (diff > 0) {
+			mod += diff
+			diff--
+		}
+		return p + mod
+	}, 0)
+}
+
+const min = input[0]
+const max = input[input.length - 1]
+
+let cost = Infinity
+
+// this is so ugy it hurts me
+// BUT it works like a charm!
+for (let index = min; index < max; index++) {
+	const localCost = costToLocation(input, index)
+	if (localCost < cost) {
+		cost = localCost
+	}
+	
+}
+
+console.log(
+	"least moves:", cost
+)