diff --git a/d08/d08_1.awk b/d08/d08_1.awk
new file mode 100644
index 0000000..9b78fce
--- /dev/null
+++ b/d08/d08_1.awk
@@ -0,0 +1,3 @@
+BEGIN{FS=" |"}
+{for (i=11;i<=NF;i++){A[length($i)]++}}
+END{print A[2]+A[3]+A[4]+A[7]}
diff --git a/d08/d08_2.py b/d08/d08_2.py
new file mode 100644
index 0000000..048dbec
--- /dev/null
+++ b/d08/d08_2.py
@@ -0,0 +1,30 @@
+import sys
+S = 0
+for l in sys.stdin.read().splitlines():
+	[code,num] = l.split('|')
+	codes = code.split(" ")
+	D = { }
+	# uniq choices 1,4,7,8
+	D[1] = [l for l in codes if len(l)==2][0]
+	D[7] = [l for l in codes if len(l)==3][0]
+	D[4] = [l for l in codes if len(l)==4][0]
+	D[8] = [l for l in codes if len(l)==7][0]
+	# multiple choices
+	L5 = [l for l in codes if len(l)==5]  # 2 or 3 or 5
+	L6 = [l for l in codes if len(l)==6]  # 0 or 6 or 9
+	# only 9 contains a 4 (and a 3)
+	D[9] = [l for l in L6 if (set(l)&set(D[4]))==set(D[4])][0]
+	# 0 contains a 7 and a 1 is not a 9
+	D[0] = [l for l in L6 if (set(l)&set(D[7]))==set(D[7]) and l != D[9]][0]
+	# 6 is not a 9 nor a 0
+	D[6] = [l for l in L6 if l != D[0] and l != D[9]][0]
+	# only 3 contains a 7
+	D[3] = [l for l in L5 if len(set(l)&set(D[7]))==3][0]
+	# 5 has only on difference with 6, 2 has 3
+	D[5] = [l for l in L5 if len(set(l)^set(D[6]))==1][0]
+	# 2 is not a 5 nor a 3
+	D[2] = [l for l in L5 if l != D[5] and l != D[3]][0]
+	# decode using inverted dictionary
+	E = {"".join(sorted(v)):k for (k,v) in D.items()}
+	S += int("".join(str(E["".join(sorted(i))]) for i in num.split(" ")[1:]))
+print(S)
diff --git a/d08/input b/d08/input
new file mode 100644
index 0000000..bf176b8
--- /dev/null
+++ b/d08/input
@@ -0,0 +1,200 @@
+gbcefa eac acfbg ae dcabfg begcdaf ecgba fgaedc beaf gcbde | cbgfa gedcb fgecab fbagdc
+fb adceb febagd edgafcb cbfega gecadf dgfb dfeag baefd baf | gbdf gbfd fgebac dfega
+dgabec cfgeb cfb cefd cdabfg gbdce fc begdfc gfbea febacdg | bcfdaeg cf fc gecabdf
+gadfce acdgf bgaec gbfdca acgbd dceagfb agfdbe dbfc gbd bd | dgb cbadg cagdb cfbd
+edcbafg ab ecfdb dacfeg bcag aeb fgaebd bfecga eacgf bcaef | ba eab cdgefa gcab
+gbdcfea adfcge ebc be fegcbd ecfbad efgcd ebdg gacfb fcebg | cbgefd defcg cbefdg eafgcdb
+fbace afdb gafbdce bd acbedf ecdabg fgeabc edgfc befcd dcb | ecdfb fcegab badgefc dafb
+dbgcf fgadce aefcdb fe baef aegcbd fec aedbc bfced agefbdc | cfgbdea fe abecd efc
+fabec efg aegd bafdg abfge egfdcb eg gbfecad bdafcg gbdefa | cegfbd efg fgabd bedgacf
+dbcfeg ad edgfc egacfd bacdfg febca cefad adf eadg fdcebga | agdcbfe cfead fcdea ad
+eg edg cgaedbf egbfad adcfbe begcd bcade bgfdc gacebd egac | aceg eg ge ged
+gaecdb dgaeb ecagb egbafc cafgebd cead efdbgc agbfd de edg | ed daebg egd gacfbe
+bag degfa bcadgef gcfb bg fgdba ecbfda bdcgfa abfcd gedcab | gafdb edgaf bag edcagfb
+eb egafcb bafcd acgebfd efcdga cbegfd bega cgeaf ebf cbafe | fgcae eabg fdbcge agbe
+fdcabeg cbadge cfgdb ebaf agdfec bac bfadce bdcaf efcda ba | ba bgeadfc cgdbea ab
+deagcf ac cebfg gedfba cadb caf gadbefc dbgaf facbg dcagfb | ac gcdbafe ca fca
+cdgef be gfbed gdbaf cagdeb fgcbdea gdfbca abef afdegb dbe | bed cgdebfa abdegf bfea
+geafdb afc dcgfa daefcgb adgfb egfcd ca bfeacd bdgcaf cgba | gcba ca bgdeaf afbdg
+fgcdae bdceg bfe bacf afcedgb cbedf afcde bf edbcaf ebdafg | cdfea bagdef bcefd cdfae
+efgabd efgbd edab bd feagd ebgcf acdegf gecbdaf gfdacb dgb | bgd bdcafg bgd dbafcg
+aedcg dfbaceg egd efdca afeg bacedf ge dbefgc cabgd fdaecg | eg dge agfdec deg
+fge abefgd acdef eg fgdab adgbfc egfad dcbegf bgae bcdgfae | bfdgcea fge fegbda cgdfba
+becgda efdgac ab bcefd fbaged ebgdcaf bae cabg cgdea ebadc | fbgade eab efdcga egafdb
+cdfeb badgec acbfed bafcd efdbgca cde gbfed ce acef cagdfb | dbefc dbcef bfacd ce
+aefg gabced efgdb dgfbc agfedb egb ecdabf abfde gaecbdf ge | ge dabgef bdfae dbefg
+cedga egbdfa dge dgafbec gface dcabgf ed adgcb becd adbgec | abgcd bcgda dceb fadegb
+fdebag caf aecgdbf fdgc fc cdefa dgacef edfag fegbac adceb | fc afedgb gfacbe afbdeg
+egacf adfge fbgcea gacb ca caf aegdcfb fcbeg bdcefa edgfbc | ac dbgfaec fgaec agfdbec
+ceagdbf egbcdf fa bgfcae afbd abedgf gaefd edfbg aef adcge | edgfa fea gfdbe bgfeca
+cfeg fcbdga ebagcd bgf ebacg afbgce gf fdgeacb fbeag aedfb | gcfe abdegc egfc bcagfe
+begdfca fdeba daecfg bfg fabeg fegca efcbdg gb bgac gbface | agbc badef aefbd fcbdega
+aecfgb bac gfaedbc fedbac edcfag fcdb dacef cb ebadc eagdb | adbfegc edbga eafcd bca
+fdgbaec cdfbag bfaegc ae aefcdb afe eadcf fdcba bdae cgefd | gcfde cafebg aefgbc dafbc
+fgbdcea bf ebfgca fgb efbd dfcga ebagd dbfega cabegd fabgd | dcafg bedf fdbe befd
+abcge cgde cbagf fdeacb egdba dfbgea ce egbdcfa bdagce cae | daefbc bedga egadb decg
+dbcgefa gf fabdc agbecf gcfad afbcdg ceadg bfgd cdfbae gcf | gf bfdac dbgf gf
+cfbedag cbfgad be eabcgd baec cgdab fbgeda gbedc bde cgdef | baec gdacb afbcgd abegdc
+gbeac gbaced faged dab gcafeb db deagb eagdbcf abdgfc bedc | feadcgb db bdec cgeabfd
+becagf facegd cdaeb dag gd cfabdg bdcag bgdf abgfc dcbgefa | gd gadbc gdbf cbagd
+gde cdgea bfdgce aefg cbdga aecgdf cdafe faedbc dcgbfea eg | agbdc ge ged cfead
+ba eacbd ebgcd eadcf dba dcbfea bafc agedfc defagbc bfgaed | ba edcgb afbdec cadgebf
+dgfcbea bafgd dbfeag cdfab gf dfg egdcba gaebd gefb gdceaf | deagb egdacfb bfge fcdgae
+cbadfg fgcade edgba dagbf agf gecbdaf af fdgbc bdcgef fcba | dfcbge bfgdc acfb fa
+be febdc edfcbg fgeb ceadgb dface fgbdc bacdfg edb cfdageb | eb faedc gbef gcbdfea
+bgcedaf gafcd fgade afc aedfbg ac fcaedg ecbfda cdbgf egca | fgdbae fcgad fac fca
+cbeadf bac fegab cb cebgfda acfegd cafbe acdfe dcbe cadfbg | bc fgbdaec fedac gefba
+cdefb dfcbge cdaef ad egacdb fadceb eagcf aed ebcfgad dabf | edbagc cfbdea fbda edbcf
+cdbfgae cgedb fdgbe egafb dabfge df fbad cafdge edf abgecf | fabd bfdgae daegfc faegbcd
+acgefbd agbf aefbc egbafc bef fdeacg dcefbg bdcea acegf fb | fb efdacg fb agbf
+bgdace aegbdcf gabfe afdg feacbg cbdef ad eadfb badefg dba | da da bfgae adfg
+daegc dgebaf aebgf ecagfbd fbde bda db abfgec abcgdf agebd | bad bad fgabde bd
+cgabe gafed bedc aedbg bgaecf bd ebgdca cabfdeg gdb bfcgda | ebagdc bd ecdb abedfgc
+bgfde fdceagb fec gdceab acfg cgefb bgcae becafd cfbgae cf | cf fec gfac gfbdeac
+fb bcdgae cdfae dbage bef dfebga bafde bgdf cgfbeda gbeacf | gdbf fb bfdaeg fegabc
+be gbfe dbfce gbfdca edb gbdfc eagdcb edfac cgabedf dgcbef | cfgabed aecdgb fgeb fgcbad
+cabfd abfdeg abcfeg fbeac daec afd aebcdf da fdgcb gabfdce | adcefb dfacb adf agefbd
+bagdfe efac ebcgd eadcbf cgfabd bfe fe cegdfab cdbaf fbced | bfe edfbc dgefbca befdc
+bcd bfecg adce cd fgcabd fgaedcb abedfg cgbed bcgade egdba | bfdgcea caed deacbg dbc
+fbadgc afecd dbgfaec adbfeg agdecf fac gaec cebdf fgead ca | cfead ca befcd geabfd
+gaebcd gfaebc ga egacd gfbced faced agc cgebd dagb fcdageb | dbcge bdeagfc cefdbag gca
+cb fegac fgbac gacbfd acebdf cab abfdg fdebga cgdb fbeacdg | bc cfgabd acgfb afegc
+gfbda afec fe bdegca afcbeg ebgca abefg efb gcedbf bagfced | efdcbg agbef ef face
+fecgba cgdefab agcedb ce dcae cedgb egbad ecb dbcfg abegfd | ce gdbae ceb dbafeg
+edacg fdbace cb bfdga dcagb cdbgfa bfcg abc fbcgaed gfabed | fcgb gcdfba cab adbcef
+bgefcad becfda afdeg afdceg be fabdge ebd gcbad deabg fgeb | edb bde bcefda gcedfa
+gaecdf dcag gfa gcfed cabef gcefa ga dcbgef bfdgaec bgdeaf | cdga cfged afg ag
+bc gbdace gcbaf gfcad bcgaef bca ecfb dcfbgea gafeb fgadbe | cbef cfgab bc gabfc
+aef dcfgbe cfbeag dacbe cgfa fa egcdafb febca edbagf fgebc | dabec fcag afgc fbcage
+deb bgcda bcade dcfage fdgbce ceagbdf afbe dabfce afedc be | deb ebdfagc fabedc fgbecd
+caebd dafceg afdb fea ecafdb egdbacf fa cdbgea cbeaf bfcge | befdac ecbad fecab cegbda
+baegf gcdefb ea dgcbaef efa febdag dbegf fgbca aebd aecfgd | fegab ae gbdef gcbedaf
+ecdbgf cga dgbae bgefc cfaegd ecfagb egcba ca dabfgce bcfa | gcdfae dbcfeg acgbe bgecf
+bdacfe gedfcba bgdfca dgf edgc becgdf eabfg bcdef gd dbgef | cged gfdacb cegd abcedf
+gcba gefcdba fac gfadeb dgfac dbfcga gdbaf dacbef ac cegfd | bdceagf fgdebac bgca gfcde
+dgfabc gbfad gac cfgb edagbfc gdcaf dbcaeg badfeg cdaef gc | dgabf fbdag cg gc
+eagbc efbgad afe dceafbg bafgdc afbdg fageb fe gdfe fdabec | bdgaf bfeag fe eagbdf
+fbd cbefga dcba feabd db egdaf afedgcb dbecgf bfcea efdcba | bcad bcefga db fbdae
+gafeb ecfdabg faebdc dgfa fg cgeba bfdegc eabfd dbgfae gfe | bcgdfe dfga agebf dfga
+cdfgeb cb cbea bgdaf cfgba egfcba egacf fgdceab bgc caegfd | dacefgb dfgcae gadefc bgc
+fgcbead feagb bdceaf gacb abgfce cbefa eag fdbge ag afdceg | bgca dfaecb gabc cabg
+ebcfd ecfgd fbae cgfadb be feadbgc ecb fecbad cbdega cdabf | be efba aefb eb
+egafc ed agcfbed fbgeac dfge egcdfa egbcad eda daecf cdfba | bfdac eda aegcf gcfeba
+afegd geba cgfebd gfe ge gdbcaef badfg badcgf ebdfag cdaef | faegd gbecfd gef fbgad
+edacgb cade cdagfb gbeadf acfegbd egd adcgb cdgbe bfgce de | gdcebfa dge abdcg cafdgb
+adge efgac dfacg edafgc becdaf eafgbc gfbedac dcgbf ad acd | fbacdeg ad adeg beafdgc
+dfgc bgcde bacdef ebcgfa ecfgb dfgcbae gedba cd gdfbce edc | egfbcd agcefb fbagce aegdbcf
+ecgfba dagebfc gfbd cefda fcg bgacde gdcab gf gbdfca gfcda | gbadec dbacge fg gdfcaeb
+cbadgef gafed eb bdfe dgaecf cbagf egb eabgf degcab defbag | agfed acgbdef egfda gadfbe
+abdfgec afgeb gd ceadbf gde adebg caebd efgacd cedgba bdcg | febadcg bcdg gdbc geacdf
+gafebc gfca gcbadef abdcge ecf aefbc dbeaf cgbea fc egfbcd | bdfae cgaf bcadeg cf
+bcefagd decbfa cgfad fgdb gdeabc cfagbd cagef gd dcbaf dgc | acgbde afbedc edbacg cgd
+bgacfd fbcgaed dacbf gadcb aegbcd cf fbaed gfac bcf fgbecd | fbdac bgecfd dcgab fc
+cdafeg cb ecdb eabgfcd bdagcf dceaf dfbeac febga efcab abc | bc cfgdeab cb cb
+bdcaef fcage gabce faegdb fc cfa cgdf gdfcae agbfecd geadf | cf fdgbeca cgbdeaf eafdbg
+cedfab acdg faedcbg cae fceag gecfd ac afgeb fadegc fbcdeg | ca cdegf ac cae
+feg bfgade ge gfabce ceafg gfebcad feacd gdfcab bceg agcbf | fgcabe eg dabgefc egf
+gbeacf edbgc bdg dfabge gd dacebg aecgb cbdef dcbfgea dcag | becgafd edgcb egdbfa afdgbce
+gafbc gecdf gdacf adf dfbage cgebfd fegdca acde ad defbcag | ecad ad adf agdcf
+fdebca bea caef aebgdcf dabef cgedba gfadb cdbfe gebdfc ae | ea ea gbadf dgebacf
+ef efdc defagb cabdef cbfadeg bdcea afe bcefa cfagb cedagb | dfec acefb ef caedbfg
+gade adefcg bcfae fedgc fad fadec cdfgabe ad dabgfc dcgebf | daegcfb dgae da decbfga
+facgd geadb cae cbge acebgd ce ebdfgca gceda fbgead efadbc | ebcg egbc cbfdae adegb
+agecbd feabcd afecg df dbeca adebgfc cfbd afdegb edacf fde | aefgc fadebc dcbf fde
+gce cdega bcadge eg acbfed cabde dcagf edcgbaf egba gfcbed | bdgeca daebc dbcae ceg
+gcaf ecfbag egcdfab badegc bfcea bcega egfcbd cfb cf aedbf | fbc gfbecd fc cafg
+becdga beg ecdafg gbfec cgafb fbed dacfegb be cebdfg gecdf | afcged agefdc egcadf fbde
+eacd cfe efdgabc acedfg ce dfcge fgbcd gcaebf dfeag dfeagb | adec fgced cef ec
+adecbfg gfa cfgbe ag afced cfdeba cafeg adge fdgcab cegafd | gacdbf gecbadf eagd efacd
+cfbade dfbegc dbefc gbd adfgc cebg dgfcb dgcaebf gb afgebd | bg cfagd cedbf gb
+fbca cgebdf cb acedfg dgeba dcb acedb fcade ebdgfca eadbcf | deagb cb cbd eadbg
+bdgac cgf bgcefa acgfdb fc dgfae dfcag aegbdc abcgedf fbdc | fcg fcg bdfc fgc
+efadbg adbfc ac acbedgf ecbdga fcdgb aebfdc cfea adefb cda | cad febda dgeafb dfcabe
+fdcab ecfbga gcafbd daef ef bcfed efb afcbde dbecg cadegfb | abdefc dbgce gdfbace bef
+ecgfb gbda gafde baegfd gfbea bae ba edfcab adcgef bdafegc | gacdfe afcged edbacf adebcf
+aebgdfc gdfe beg becgd dacbfe defgbc ebcgaf ge fdbce gacdb | ecgfadb egb abgdc gefdcb
+eacgdf de fbdac bfgace aecbgfd dbfecg afceg dceaf ecd dgae | cgaef efacdg cagfebd cefga
+bgde db dbf afbed fgedba fadgce decabfg faceb adefg fabcdg | bagfdc bd dfb afdbge
+acbgdfe fgecad bdefa geacbd ab aeb bgaf bedfc feagd dgefab | dagcfbe bfade gbedac ab
+gafcbd ecgfb acedbg gbf abcegf gf gebac bcfed cdbfgea faeg | abegfdc feag gbf geadcb
+fcbea da edbcaf cedfg cdfea dafb gabced eafbcg cdeafbg acd | cad fabd acedf fcgbea
+fgc cg afegd egac facbedg gdcef efbgda efgdac bafdcg fdcbe | gfc cfg decbf gfc
+dfabcg gdbecf dgfea begfa egd cead dgaefc fadegcb cgfda ed | deg cgfda de gde
+gbedc gdbcfa fb bcafeg bcf egdfca agbdcef gfbdc dfab gafdc | adbf fadgbc gdfac dfba
+baecgfd fed abedcg fdabeg egacdf gcefb dbgfe bfda deabg df | bcgdafe df df dgaebc
+cedabfg badfe cfgdae gcea fcdeg gbcefd eadgf cbdagf dag ag | bcadgf gfdea fdbecg fedab
+bcg edfbc gdfc cgaebf beadcf becdg cbadefg eagbd fgdbec cg | fbcade cgfbea gc cg
+gfdecba dgeabc decbgf fbae dbaeg adegf abdgef agcfd fe efg | dgefa fbdgae becfadg egf
+fab bf dbef bdacfg eabcg dgafeb aebfg fdgae afgdce fcedbag | agedf afb fb efdb
+daceb bf afgb fdbca cgdefa dgcfa bfcgda cgebadf ebcdgf bdf | gbaf bdace dfb ceadgfb
+deb ebgfacd fgbadc dfbecg ecadb fbaced afde cbage de dabcf | de dgbface afdcb fead
+baefc fge agecfd eg gdeb fdagb eagbf dfgbaec dgcabf dbgafe | ebcfgad afcbe gdfaeb dgcafe
+fdgbe afbc bae bdaceg fagbe bacdfge cgafed ab fgace aebfgc | ebgdf adfgbec cdabgfe fegac
+be fbaedc adegfb dbecf gcadfb gfdce afbdc aceb fbe gdbefac | feb cgdef bace be
+ebgfca gcafd ead gcadbef acebfd aegbc gcdae bdeg ed gcdeba | cadge dea eda bafgce
+df bdceaf aefgd afdegc geadc bagef dgfc fdgbcae bcdaeg daf | fda begfdca agdfebc fcdg
+fadegb cfadgeb gabdf fdceag ecdabf gaf fg afedb acdgb fegb | cbgda fdcgae bgafd efgabcd
+bcfdae gbecd gedcafb aedfgc gaeb gdaebc ge cfdgb acebd egd | dbface eg cedgb edg
+edfa acbfge af abcfd dcebfa fca gaecfbd bdaecg cgdfb ecbad | gdbcf degcba bafcd fa
+dgcfba cfbgd bfgad geabfdc gbfea cfad abd efcgdb edabcg da | dfabg adb dab fdac
+edcagb dgbafe fcaebdg adfe bgafc gfabe gfe fe ebgda gefdbc | gdeba afegb ef gfecbd
+fdbca fc cabed abgdf edcabg ecaf fbc dcafeb cfabedg gdecbf | baced ebagcfd fbdga ceaf
+cfaebg acfge bg efcgda bcfed egb bagf baedgc cfebg gacfebd | fabecgd bge geb afgb
+bcagdf fcaeb baefdc cdgea abd gcbeaf ebdf cdbae gdbcfea db | cdgae edfb afcdeb gecda
+gcefab de dfcageb gebcf gdbce cgdab agdfbe dbcegf bed fdce | de ed ebd bcagfe
+feabdg cf fcaedb fgebc cdgeb bacfeg cfb beafg ceagbdf cafg | afgc fbc cf gbfec
+aebfg bcdga dfgbaec cbaegd ade cegd fbcdag daegb de edacfb | cbadfe abgdc de agcdb
+cdafg gafcbd cebdf dafgeb ae dbgeacf edgcfa aceg fdcea afe | efdgca acdfe dcgaf adfcg
+dbeaf dgfceb cfbae adcb cedfba bd fgade bfd bdegcfa bgcfea | fgedbc daebf efdba ceafb
+cedfga edgbf gbfdeca cdage cgbefa bcda gdeba ba gbdeca bag | gdbef gecda gab acbfeg
+cbfage gbfdce aedbc bdagce db fbcaedg edb afdce bgda cebag | bdgefac bde agbd agbfedc
+cabe fbaced adgbf fbcedag aedfc ebfdgc gcdaef eb bfaed feb | bef facde fdcea aecb
+afcdgbe gdecf fgeabd gaf ag fbdae abge agdfe gcbfda facebd | aebdgf eabgfd dbcefa edagf
+df cfd gaebcf bedacgf dcbgf dgecb gabfc bafd fbagdc egdfac | gcbdf cabdgf fd ecdbg
+adcfb cbdef adcebg fa dbcag baf gdcfba fgca bfdgace bfegad | af fcga dcbef baf
+ecdfa acgbfd ecdfab fdaebcg agfce dae dbef bcafd gbdace ed | fcdae ed befd eda
+cf agecf gadbce badfgc caf gacbe eafdg beadgcf ebfc cagefb | cf bfgeac gdacbf agfde
+dfab fdcgbe afg fa bgfcd gedafc bagcf dcabgf gbcea gcdfbea | egfcdb bfacg fa gbdeafc
+cedgbf gfedc adbgce cgadbef fcdag acfe gca bdafg ac acedfg | eagdcf bgcfde acdfg ac
+cabed gdbcfea bacfge egc cg gefad acdge dbcg fcebad gecadb | cdbg fdcgeba bgfcae cegad
+gdebac fg efgd afgceb fabdc agdbe afdegb gaf gdfba eafdcgb | gf gebcaf agf bedcfga
+fcbdeag dbegc fgb fgead fb gdfbe afbedg bcfaeg bdfa gfdace | gfeda efbagd defgb fbg
+cagdbfe fcegd fdgac fe feabdg cebdg gdcfbe bacdeg fcbe edf | bacegd gfdce fe adbgec
+afdebc fcebgd fgdabec gedf egb cbfed ge bgacd gdecb bacegf | egb egb cdabfe dgef
+agbd cagde adgcfe dfgaecb begfc cab aegbcd dbcafe ab ebcga | aecbgd becgfda gbda fdabce
+cbedfg fgeadb gadcfeb fecag df fbda eagbd bgcade def deagf | gcdeba feagd edf cagbed
+gefdcba adcfg baedcf dag fdcbga cfbda gd eacdgb gdfb fgace | gda fdbac dcfbae fdbg
+gfaed fc bdafge efdbgc adcgef cbfdage adcef cdf dabce cgaf | degaf fcd cbfgdea ecbdafg
+fac cbfeag aegdcfb aegfd aecgb cf abedgc becf afegc dbgfac | cefga eagbc acbedg acf
+fegdac aegfdcb fdeg adgce cbade adgcfb dfcag eg gea bfgcea | fdcga adefbcg efgd cgdafb
+cgedabf adg egadcb gebcfa fdab cfgad ecdgf ad badcfg agbfc | egcdba da ecbfga ecgbad
+fg gadfec afcg decaf fbdcge gfd badfceg ebfdca adgeb faedg | dfg cgfa afcg fedac
+fgbce df agedc edf dcegfa aegdcb edfgab fbegdac efcdg fcda | aedcg dgcef dcbaeg edf
+abfgc egf beagdf ef gface cbedag gadfbec cfdaeg cdaeg fdec | dfec fegdba gef cfde
+gefca dcfebag cdafe fagdec gfed fcbdga dfa aecdb cbgefa fd | cbaegdf daf agfdce ebfacgd
+gc efbdga gacdfb bfced dgbfa cdfbg gcd facg aefbgdc ecbdga | agfc abgcfd cgd acbgfd
+abdg bcdaf cdfbag gb cdabgef afgceb dgbfc gbf dcbefa efdcg | dbag gb bg dgab
+efdgbca edgf dceaf bdefca gad ecgbad dg cafgb eagfdc acfdg | bdacfeg gacedb cdegfa agdfc
+agdefcb eag dfgab fcgbad fcgeb degafb ecdbag bagfe ae dfae | efda gfeacbd ea deagbc
+dbe afgde bdcf gadefcb degbca becaf eabfd fdbcea befcag bd | bed ebacdg gcfabde fceab
+bade gcbfd abf fecbdga dafecg dbgfa gcbefa abfdge ba egdaf | ba gdacef fgacde cbafged
+bfae dbgfcea bdceg ba dcbfga geabd adb eagfd cefagd befgad | efagdc ab ba egfad
+ef dgebcf ecfb fecabdg edfbg defcga fgbad egdcb fde bedcga | gdcebaf edgcb aedfgcb efacdgb
+caefbg dfcgbe gadbfe gcefa gbcafed ebgaf cgba ceg cg adecf | gafce ecg cge egfbadc
+adfgebc ebdac bgafec cdgb aecgd gce egabcd cdaefb cg degfa | becfad gc gdaec dgbc
+bfdega gad gebfcd egcdba egdaf edgbf ag ecdfa bafg bdgfaec | fegbdca dga fgcedb cgdeba
+gafed dg cabefd cfdgbea cbagfd aebfdg edgb fdg fgeac dfabe | fgbeda eadfb fgd agcfe
+gfc afcbeg cfagd acgedf fdabg gc cgde acdfe fecgdab ecfbad | gbfad cfg eacdgf dfeagc
+da gdafb bgacf abdcgf dcag fgbeacd faebcd fda bacgfe degbf | ad cfbga edgfb ebdfca
+dbacgfe agebdc bdcf feabcd cedba aefcd fad fgace gabfde df | adfce bfcd cabedf cfdb
+cfgaed adb dfeac becdaf ba fcba dbfage gcbde dafcegb deacb | dab agdefb cfadbe dba
+degbac dea dbaecfg dabc dafgce eadbg ebdgf cebgaf bgeac ad | gefbd gbecda egdcaf ebcag
+bdefca abcdfg gcefabd gbc eafbg baedc begac deagcb egdc cg | acegb defgcba cbaed cebdfag
+bdfcg gdbfe gecf befadg dgc dgecba afbdc dfbecag cbdegf gc | cg dgc fcge acbegd
+aefbgdc gbeac badcg gaebfc dfbeag gdfbc gaedbc deca ad abd | gbcaed bgefcda eacd efagcb
+gbcfda gfacb ebacg aecfdb ace edbag cegf bfgeca daecfgb ce | cgef gfce ce cea
+gaecb ga gac edcfbg dafgbc cfebdag gbaefc fegcb acbde fgae | ag ag cag afge
+agcdfb cgbfa bfgeac eg gec cbdage fgceabd cfbge edfbc fgea | bcfga cfebg cge bdcef
+ed edaf afdcbg gdace fecdgb bdgcefa gacdf edg ecdgaf bcgea | egbfdc aecgd fgdca cabdegf
+bcgfda fcbegd acfbeg baefg ge agbcdef gcea beg eadfb fbacg | baefg faebg fdgcbe bgdecf
+fdgbe aefbdcg cfebd gceb cbgadf fbc gfdbae ecfda cb bcgefd | fgbdce gdfacb bfc egbc
diff --git a/d08/sample b/d08/sample
new file mode 100644
index 0000000..c9f629b
--- /dev/null
+++ b/d08/sample
@@ -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