diff --git a/2021/d08/ex2/input b/2021/d08/ex2/input
new file mode 100644
index 0000000..a5bf9d9
--- /dev/null
+++ b/2021/d08/ex2/input
@@ -0,0 +1,200 @@
+badc bd dbeaf cfdbge dfb cfbdea efbag edcfgab dcafe degfca | eacfd acdfbe cbdegf fcbaedg
+cd fdbac egcfab gbadcfe cfgdeb cbadfe deca cdf dfabg abefc | dcf cfbad gbafced fcd
+cg agecfb cbg eabgfdc egdc fdgba bafecd cbdfe bfcdeg cfgdb | efdcb adcfeb fbdcg gbc
+bfceg gfadb dbcfgea bgaef efad abe bcdgfa ea fbdgea agecbd | eadf ceadbg abfge fecdbga
+gdcafe eacb adc gbfda afdceb edgbcf badfc ecgbafd ac fdbce | ebfcd cefdab bdfgeca egbdacf
+aefbgd fbdc fbecg egdcb edcbag bf gcefa fbedcg bagfced fbg | afgce cfbd bdcf geafdbc
+ebgacd edacg gcdeaf cabfg dbc bd cdbgaef ebad fecgbd acbgd | dgbac db caegbdf gcbfa
+defbga gead ge efagcb gdafbc cegbdfa egf bfdce bgdef dgabf | gef eg bfcdag ge
+bae adcgfbe cdfeag ab dcgeb bfdage agecb cagfe abcf bfcaeg | bae aeb agfceb afceg
+ae adefcb gaceb gadceb edag efadcgb badgc cfgbe cadbfg cea | ceabgd fbeacdg aged aged
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+bdface geba ecbdag acegd afcdg ge eadbc bfecgda edg fgbdce | eg abge fadgceb abge
+fagbde fcegbd gec efcdg fdgbe ebfcag gc adcfe cgdb cagbdfe | defcg cbgdfea gcbd ecfgd
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+cfdegb cbef fgdec gdfbca gdecbfa egfdca bc gbc cbegd aedgb | befc bc abegd ebcdfga
+agcefdb fdbg bf bdafe gdebaf eafdg acdbe gcebaf bef edcfga | bf fdbg efdab gefda
+gcb bdcgef dcbfg bg edbg facegb cbedf edgafbc dfgca edacbf | gb cdebfa deagfcb bg
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+bcedfg dc dgc aedfbcg acgbed bgfead gedbf bfdcg cedf facbg | gabfed cdebag dafegb cd
+fa adbceg afecd cafdbge eacgfb daegcf aef bcdfe fdga daceg | acedf afe fae afdg
+cdfaeg agcfb bcdgea dcafeb cef fabec ef dfgcbae defb eabcd | gdabce fdeb ebdf ecf
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+cdafgb egdb fecgabd cbfdg fcbedg feb acefg begcf be dacebf | be be ebfdca abgfcd
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+ecgdfb deb edfgab eb faedcg agfed bfaed dbacf gbae efgdcba | fabde eb ecdgfb eabg
+aefbg bdegfa gacdb gefc fbc fc bfdcae gefbac cbfag dbgefac | ecfg fc cfge efgcdab
+gcfbed gcbae dcaef cbegad bdag bgeacf adefgcb deg adgec gd | agcbde bgad gdbfec gcfabe
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+gdecbf edabc ef fcgead fcadg bdcfga fec ceadf dgaefbc agfe | faedgc ef gabfcd fe
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+daegb gfdae ceagfd bgfade feagcb fbgd bg cbagdfe ebdac ebg | gefbacd dbgf geb adgbfe
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+ebcfdg dbe de cdabgf fgdab dgae aecbf abfgced edbaf eagdfb | bface cdafebg gadcefb fedab
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+gabfc gabde fbdga bfegca agfbcd df cdfagbe dcfg caefbd dbf | decfagb bdf gfcd fd
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+dafegb efdac bda fgedbac egfcdb bgfa fbaed bgdef debagc ba | ba bgcead bad ab
+cfged cbegdf cb ecgdb adefbcg fdcabg cdb cdagef efbc gedab | bc gdebcf gecdb bagdcf
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+cd dgafe cbgfae decfg cfebg cfd gdbc febgdc fbegacd fceadb | dc beagfc aebcfg gcfeabd
+adcefbg caefgb bafd dface bdcfe cegbd fbe gdfcae dceabf fb | efb ebcgd gbdcaef fb
+fbdg gebac degbfc gd dfeagbc decfb gcd dafgce faecbd bdgec | gfdcae gfdb dg afgdce
+fb fgedca fbe gfcde gcbfde dbceaf bgeca eafbdcg dgfb fbegc | fbe cbdegf bfe gedfc
+acfbe fcbaged bgdcf cabgfd ag cagd fcbga bcfegd gfa eadbfg | afgcb gbdecf efdbcg fag
+fbegc dgca dfc fagbedc bfadcg dc ebdfca fadbg cgbfd gfdbae | dabefg egdbaf gaebdf dc
+cdbgf bdfaeg ca fgcab dgacfbe feac facgbe ebgcad bca gfbea | dafbeg cab cdagbe debfga
+gfbe ebcfag bcedaf be egfac fegdca gebca eab cbgad gfacdbe | dabcgef bcagfed gcfea bea
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+gd gfecbd dacefb dgbf cdegf acfge agbfced becdf aedbgc gdc | gdcef cgbead gd gefacbd
+cgbfea cafed dbgefac gacb bc afbge fdabge efbac bcfgde cbe | gbac fcdbge agcb aecgdfb
+abgefc cfeba gcdba fgdcea gf fcbgaed eadfcb gbfe fga bacgf | efcba fabecd dgcbfae eagcfd
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+abdef gcbead bgce cgdab deg dgcbfa aedbg fbacdge eadcfg ge | cgfdba gcafde agfcedb fdacbge
+defabg cabdg gcfed cabe gbeacd fgadbc eb geb aedcfgb bdgce | eb dbegc dfecg dbecag
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+ag agdb bfeag fbgdace bcfeda dgafeb egafdc begfc dfeba eag | ecbfg agbd dabg bfeacd
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+febdc begcd ecgbdf dbacfe bdfagc adgec gbd gb afbdceg gefb | dbg gacbfd egcdfb gfebcd
+decfbg dagfb afcgbd gdcfb cbaedf caefgdb da gdca gafeb abd | adbgcef dgafb abd cfbgeda
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+ecagdf dfcebg fgbea bg cbeadgf egb ebcafg edfab gbca fegac | bafeg aebfd gcab fbecdag
+dgacf abfecg fcgadeb cgd gdbace cgbfa egfda dbfc cdbfga dc | cfbd gabdce dbgcaf egfda
+afedcgb afge bfead gf gdfbe fgabed dgcbe dfceab dgf fabgdc | feag cdabef bgdacf gfea
+adebgc de bfgacde beafdg egabc egcabf deg cead cbdeg dcgfb | ed eabdgf eadc dbafge
+fcdbgae gbacf ebgdfc bcadeg bdgea fagdbe gce aecgb acde ce | cge ecg cabeg efdcgba
+aefgcb fedagcb cefbdg ef dcbeg bacdge fegd edbfc fabdc cef | ecbgfd gdef bacdeg bcdeg
+geadc gecfad gfcadb eg agdcf bgafce gdef acdbe gea dabegcf | ecfbag gebcaf baecd dfeg
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+fbadg faedgc bgdac bcegd bcadge agc gdefcb cbae gdfbace ca | defgcb ceagbd bdgca afedcg
+acgfd cbdage agcbd dfa edcfg fa dbcfeag fabc dbaefg gdbcfa | af gedabfc af ebgdfac
+dafgbc dfegc dc cgfae cgeafd cdf cagefb ceda bfged fdegcba | aecd cade deac fbged
+cbegda dgfeb gefcb aefbgc fdgceb agdfe dgb bd fdbc bdgfaec | dcgbeaf db gfbed efdag
+aefbd cdbeagf gd fdgc fgcdab afbcg bdg egfabc bfgad aebgcd | gdfc gadcfeb cfgd fgacb
+eb gcbaed aeb fgdecba begd eagdc cadfb eabdc cfgade gacfeb | egdca dcbea bdfcgea be