diff --git a/day11/input b/day11/input
new file mode 100644
index 0000000..42ed540
--- /dev/null
+++ b/day11/input
@@ -0,0 +1,602 @@
+ojt: rum xgy guf mqs
+srg: mqo ufz
+lwb: sxb wsf
+pkk: ium
+evd: els stn oln
+ukv: ocs vxd tfl
+fyk: ikm fox nok
+bfd: evd kjy smb
+wqy: srg tgk
+mix: cmj ufz mqo
+rew: avm nrs vot mqv
+tri: hex zvw yuq jeo
+lbo: dgt ica yws pkk qwp
+fcn: smr
+msw: ssg qtf aem
+zwf: zvl qfe
+epg: xax pzu
+mmw: dhg
+hbd: cji vrr ysi bfd
+czn: wld cgm gqw tbz
+qdh: tvc
+dwh: hux lkt lad
+ayq: bzr van
+lor: xrf jwh
+gkc: pwk hgf cdw
+jxm: ehg xet fqn
+qft: qnl evl
+pek: cvj flu
+rmo: rxx hbd
+nwe: out
+liy: tcc rjb pda
+xft: azu upo itg
+ojy: cfp
+nuq: cvj asi ufb flu
+ogq: oov dtc ppz
+rjb: cmj ufz mqo you
+rdz: cvj ozn ufb asi flu
+qoa: dgt yws pkk qwp
+mbw: lik rmf nqr
+yes: ccc
+uit: ysj ngh rew
+hfa: sum clx
+jqd: ozn flu cvj
+xfi: dyo zqy
+lym: kht
+sqm: rdc oao
+jmw: nzq
+sgq: bju lzc bwx
+xjr: lcx kpp mvl fto
+tdg: vds kuh
+aww: der lwb ijy rjq mof obb fmi unx eqn vyj skb wqa aer tas stx vpf oas fzq gfy pua
+rmb: euk xic
+hwg: fto xmd kpp lcx
+nce: mmd sum clx
+ult: ufb ozn
+fbj: lcx xmd fto mvl
+tgk: you mqo cmj
+ppz: nqr
+vty: ppz lok mbw dtc oov
+eit: xvj ccc
+dtc: xvf nqr lik rmf
+qso: out
+tcc: ufz you
+gwp: xur pto ayw rmb
+ibm: bwe fuv zkc
+onk: ibe gdf
+jax: qnl evl nzq
+vct: ozn flu asi ufb cvj
+bju: sfu azu itg
+amz: you mqo ufz
+ozn: rqf jzc onk qoa jzs lbk tog fhz vkr hty pnw tej hmv erl mcm msw qky umv
+eux: kuc xpq gxc
+vmi: mqo you cmj
+lft: sum clx fbs
+lgv: ufz mqo
+quc: npv
+bzr: leu ehk
+bwx: sfu upo azu
+cnk: mmd fbs
+xpq: qyh
+zon: bwe npv zkc
+pqe: mqo ufz you
+rks: tje isv
+hmv: gdf
+evl: tbt ftw lco
+vux: rxx zbg
+yoa: trv
+tpq: cvj
+jws: tpq lyi jqd nuq rdz
+qzs: clx fbs mmd
+vds: amz pid xax
+xfg: fof
+xak: xjo gwd rcb wzr
+erl: aem vux ssg qtf rmo
+tzu: out
+oht: xmd fto mvl kpp
+ogz: ojy gdf
+yly: czn fjq
+nrs: you ufz mqo
+rna: mvl
+ins: fbs gyg sum
+vwu: ilb wqy bud bba
+nxi: npt kht
+gfx: hfd sia
+itg: cvj ufb asi ozn
+nxy: fto xmd
+zcq: yoa wvx
+jok: rna msk sna
+vqb: tdg shp gru
+vep: ocg bvi znu
+tqa: ame pfb eux
+eer: out
+lna: blf uph bzr
+dyo: ypx kth wcn
+ejr: vct tpt joe
+vpk: jer fmw erg hwg
+lkt: yrk
+bok: xet
+anx: tpt joe atl vct
+yrk: mqs guf
+vpd: zle tdg gru shp
+htv: auw oyn pek ikf
+icv: fto xmd lcx
+wfb: you cmj
+lrx: xet fqn tzu
+wjh: clx gyg sum fbs
+xet: out
+hgf: fto
+tvc: smr tyc irq
+gra: cdw hgf rqb
+brr: xft mbe
+fui: cgm wld ahr gqw
+kht: bqw fmu
+asi: rqf jzc hmv pnw vkr umv jzs jtv erl msw
+dxr: rjk rgc gfg
+xic: nys xak xxh
+smr: cmj you ufz mqo
+bvi: xjr bgh igy oht bzh
+fkj: bqr pto rmb
+nnm: fbs gyg
+zih: tzu fqn ehg xet
+npb: thy zao
+bhz: you
+eny: lor
+fqn: out
+sna: lcx kpp xmd mvl fto
+azu: ozn asi flu
+ilh: acj vdg zpt zcq qwn qft aic fay fjj ycs wdh cyp ymi gfx tjs fug jmw abi nih
+lad: ojt tqj yrk
+abh: ikm nmg
+mof: dxr yal
+xtl: jar wsf
+aem: rxx hbd qdy
+clx: veu yes fej yfb zdm vwu vpd tcj imw bfo sak fpe vqb lwp apx uit ysq jsl tyr ahw wec rzx
+leu: xjj tji qzs
+zww: isz sgq brr
+jvq: htl iao uix
+cbk: nuq rdz lyi
+qfe: out
+bei: xxh nys
+qsk: you ufz cmj
+lik: jgk wce nwe
+hfd: qnr ult
+bqr: euk xic
+fxy: nxi iyn
+wvb: fof dzk
+ill: weg vpk yqv toh
+srl: gfg
+svr: xzk ilh xkb gtf ebx
+kko: eph czn fui
+fay: wya wvx
+ikm: qie
+sju: lrx
+lbk: gdf
+fjg: hfn ibm
+vso: jwh scd ins xrf
+vsi: jxm zih
+iao: lcx xmd mvl
+ley: out
+apx: ysj
+pnw: hak hvg fft
+fej: ngh ysj
+xkz: wjb vso xxn aty
+lok: rmf nqr xvf
+tjs: nzq
+gdf: yck eqp
+ubl: gru shp
+xdh: anb dzk fof
+afd: teg
+rbe: out
+vdg: nzq evl
+ejz: dgg
+hux: ojt tqj bgr
+xxn: scd
+bgh: lcx kpp xmd mvl
+wld: dep cnk nnm hfa
+xgj: fxy ups tjo
+guy: zgs qdh mmw oif
+ocs: wjh nce lft
+vot: mqo
+kav: cny gjt aps
+oov: rmf nqr
+jwh: mmd fbs clx gyg
+hfn: bwe fuv
+cac: ocs dci
+xjo: niz qso
+yta: van
+zpt: kfx mam cwc
+ame: kuc lkx gxc
+hvg: qxn
+vdq: out
+yal: rgc gfg
+ssg: rxx
+qbe: dhh oas vpf tas skb eqn unx xtl rjq ijy lwb blk der
+joe: flu
+ccc: dac liy lqv
+pua: dxr sru
+oas: nfc
+lbv: ibm hfn quc zon vtx
+wqa: tje zkz
+oif: dhg
+pnh: fui
+mzt: ubm ame pfb oia
+tbt: cvj ozn flu ufb asi
+jtv: ojy ibe
+izw: xix lvg
+avm: cmj ufz mqo
+gjt: paa
+txn: guy
+van: teg
+vkn: mvl
+qie: ibm hfn zon quc vtx
+hsz: npt lwt
+ayy: yuq jeo zvw
+igy: fto xmd
+ptz: vep rdc mhx
+wqi: sgq
+tjo: hsz sfy lym
+epd: oln qbe els
+tna: els stn aww
+mhx: ocg cwu bvi
+bfo: kvy
+jsl: eqd wzw
+hak: rms tna
+akf: kpp mvl
+sfu: ozn ufb asi
+erg: lcx kpp xmd mvl
+jar: uht gra
+rum: els stn
+anb: prd
+tyr: guy
+stn: vpf gfy ijy mof der skb rks obb xtl fmi unx
+ayw: bei
+mqo: kav thd alq qcs ckk fyk ojj mzt abh tqa
+tje: akf icv
+lzc: sfu azu
+gtf: jmw fay jax val qwn zcq zpt mnc cyp wdh rkh
+yck: stn els aww
+kgq: wjb vso lor aty
+fmu: sum clx gyg mmd
+ubm: lkx
+sia: gcn
+huh: ntp vsi
+jzc: ssg vux aem
+yfb: bud
+nih: mam
+fto: xgj byk yta xkz pnh lna
+zvl: out
+qwn: hfd sia
+dzk: qfe prd
+jxj: eqd mzb
+tas: sqm dgg ptz
+rfz: ufz mqo cmj
+ecn: rna sna oks
+aer: yal srl
+vpf: jar
+ups: hsz sfy lym
+bqw: sum clx fbs mmd
+cdw: mvl xmd lcx
+veu: wzw
+ikh: brr
+fzq: wsq dxr
+irq: cmj
+rmf: jgk nwe ykg wce mdv
+dhe: zao
+npv: gxk ezs
+ehg: out
+aiy: xur bqr rmb ayw
+els: mof lwb rjq der ejz rks skb unx xtl fmi stx vpf tas aer dhh pua fzq gfy
+nys: xjo wzr rcb
+bba: nkp
+mxd: anb zwf fof
+gru: vds epg
+ppa: fbs gyg
+lwt: fmu hrc bqw
+gqw: dep hfa
+pwk: xmd kpp lcx
+lwp: ilb
+zvw: vty nbi ogq
+guf: stn oln els aww
+ocv: kzf huh
+wsf: gkc uht
+buy: vhu qdh oif
+xvf: mdv wce nwe jgk
+blf: leu ehk
+zgs: tvc dhg fcn
+fhd: aty vso xxn
+fmi: dhe npb avc mvk bxo
+fox: lbv fjg
+iqo: msk ocd oks
+ufb: fhz erl lbk ogz umv vkr pnw qoa onk tej rqf jzc hmv
+sru: gfg
+rcb: rbe
+teg: tji keq ppa
+ikf: ufb asi flu
+bxo: thy nvf
+weg: fmw
+lkx: xfi
+qky: xxs dwh wat
+zqy: eer ypx
+ckk: ocv gga xpa
+qnl: ftw lco
+tcj: hcg
+rxx: dyl cji
+sps: mqo
+snz: fox nmg ikm
+upo: asi ozn
+kuc: qyh wot
+znu: igy
+niz: out
+ocd: mvl fto xmd
+zle: vds epg kuh
+gga: spp kzf
+tbz: gyk dep cnk hfa
+zkc: ley
+cqr: xfg mxd
+ezs: out
+cwc: cbk
+nbi: ppz lok oov
+wce: out
+ntp: lrx bok
+vyj: dgg ptz
+atl: ozn
+uph: leu ehk teg
+mcm: rmo aem
+skb: mvk
+pzu: you
+dgt: ium ykj
+oyn: asi flu ufb
+jeo: vty nbi
+ehk: tji qzs keq ppa
+ysj: nrs avm vot
+pxi: stn oln
+gxc: yed qyh wot
+cwu: xjr igy oht
+qez: ayw pto xur bqr
+jgp: asi cvj
+dep: clx gyg sum
+ahw: bba bud ilb wqy
+keq: clx gyg
+tyc: ufz
+wjb: scd
+bns: kfx mam vjd
+zkz: fbj icv
+eph: tbz
+xmd: fhd bwh cac pnh gmc izt kgq ayq yta xkz kko yly
+ica: jzl ykj
+asz: blf
+oln: ijy lwb mof obb unx vyj ejz wqa aer tas vpf fzq gfy pua
+iyn: kht lwt
+alq: eux oia ubm
+shp: epg
+fft: rms qxn tna
+ijy: jvq mms nfc
+rjk: ecn
+euz: anb dzk
+euk: xak
+fof: zvl
+obb: isv tje
+wot: zqy
+eqn: mms nfc
+yed: uef dyo
+mnc: zqk lgu izw asb
+tej: yws dgt ica
+mrh: gyg mmd fbs
+bgr: mqs epd
+mvk: zao ill
+gyk: fbs gyg
+ebx: qft jax fjj fay rkh acj vdg zpt mnc zcq qwn val gfx fug jmw abi nih ycs wdh cyp ymi
+wya: fio anx
+qcs: bqr ayw
+kth: out
+kfx: jws yoz cbk
+nqr: nwe ykg wce jgk
+dci: ufh nce mrh
+kjy: qbe els stn aww
+xrb: cny aps
+trv: vct atl joe
+paa: wvb euz
+zdm: ngh rew qnk
+qnr: asi
+ddh: gcn ult
+wvx: anx ejr trv
+vih: lrx jxm bok
+xvj: lqv liy
+xax: cmj you mqo
+wzw: wfb mix rfz sps
+mbe: azu upo itg
+rdc: ocg
+thy: weg toh
+ibe: yck pxi cfp
+eqd: sps wfb mix rfz qsk
+qtf: zbg rxx hbd qdy
+ymi: xer
+lgu: kop xix lvg
+xxs: hux tth
+blk: wsf sxb
+fbs: rzx uit wec vwu veu sak fpe apx
+toh: jer hwg fmw
+xkb: zpt zcq bns mnc gfx
+rqf: xxs
+stx: jar wsf
+gmc: eph fjq
+kuh: xax pzu pid amz
+xix: ikf pek oyn
+nkp: cmj you ufz
+mqv: cmj
+ufz: gwp kav thd ojj ayy fyk mzt tri snz csm tqa abh xrb alq qez qcs fkj lae aiy
+tnv: asi cvj
+auw: ozn
+mms: htl vkn iao
+gxf: kzf huh spp
+yuq: vty
+sxb: gkc
+dgg: mhx rdc vep
+dhg: irq pqe
+isz: xft lzc bwx
+xzm: you cmj
+ngh: mqv vot lgv
+fjq: tbz ahr gqw cgm
+cyp: zqk
+mam: qmc
+byk: vxd dci
+dyl: rzq
+fpe: hcg ccc
+mvl: xkz ayq kgq izt vkq lna pnh gmc yly byk bwh asz cew fhd xgj cac
+vkq: vso wjb lor
+sfy: npt kht
+cew: czn eph fui
+ftw: ufb ozn
+smb: stn oln aww
+tqj: xgy mqs rum epd
+vrr: rzq smb
+vxd: mrh ufh
+mmd: tyr ubl fpe sak bfo veu lwp ysq rzx vpd eit tcj fej ahw txn yfb vwu
+xur: xic bei
+msk: lcx kpp mvl fto
+umv: qwp pkk dgt
+xgy: qbe oln aww
+aps: cqr umy
+cvj: qky ogz umv pnw tej lbk jzs tog fhz vkr hty lbo rqf jzc qoa onk
+aic: kfx vjd mam
+hcg: lqv liy
+qnk: nrs avm mqv vot
+yws: jzl
+qmc: rdz jqd lyi tpq
+nok: fjg lbv
+jgk: out
+thd: gga
+gfg: jok ecn iqo
+gfy: sqm
+gcn: cvj flu ufb asi
+dhh: avc
+xer: gcn ult
+uht: cdw
+xjj: sum gyg
+prd: out
+asb: lvg htv kop
+cmj: gwp kav thd ayy mzt snz csm tqa abh zce alq qcs qez lae
+lae: aps gjt cny
+hex: vty nbi ogq
+ykj: oln stn qbe
+zce: cny
+kzf: ntp vsi vih
+ojj: ocv gxf
+yqv: hwg
+zqk: lvg kop
+aty: ins
+npt: bqw fmu hrc
+pid: cmj you ufz
+wdh: wvx wya
+sum: jxj tcj imw ysq jsl sak veu
+fio: jgp tpt joe atl vct
+nfc: uix nxy
+mno: you
+wec: mzb eqd
+qyh: dyo zqy uef
+pto: bei xic euk
+spp: vsi sju ntp
+der: bxo
+vjd: cbk qmc jws yoz
+cfp: oln stn els qbe aww
+eqp: oln qbe stn els
+csm: yuq jeo zvw
+mdv: out
+fmw: mvl
+yoz: lyi
+acj: zqk lgu izw
+umy: wvb euz xdh
+kop: tnv ikf oyn auw
+ysq: ccc xvj
+cny: umy paa
+val: kfx vjd
+ycs: ddh
+jzl: els qbe
+avc: thy nvf ill
+rzx: qnk
+bwh: afd blf van uph
+qdy: cji bfd
+flu: jzc qoa lbo qky umv hty jzs mcm
+pgw: fmw erg jer
+you: qcs ckk fkj xrb csm lae
+jer: kpp
+wsq: rgc
+sak: guy kvy buy
+rqb: mvl xmd
+bud: mno xzm nkp
+xrf: sum gyg
+vkr: xxs wat dwh
+gxk: out
+nzq: lco
+lcx: ukv yta eny vkq fhd gmc pnh uor cew
+rjq: tje zkz
+fhz: fft hak
+xxh: xjo gwd
+lvg: oyn
+zbg: ysi
+mqs: aww stn qbe els oln
+uor: tjo ups
+jzs: hvg fft
+ufh: mmd sum
+xpa: huh kzf spp
+oia: lkx xpq
+imw: kvy guy
+tpt: ufb asi
+mzb: wfb rfz sps
+unx: sqm
+ykg: out
+rzq: els aww
+hrc: fbs clx
+tfl: lft nce ufh wjh
+fuv: vdq gxk ezs
+abi: wqi
+ysi: kjy
+rkh: zww wqi ikh
+vtx: fuv npv zkc
+wzr: niz rbe qso
+wat: lkt hux tth lad
+rgc: iqo jok
+hty: vux rmo
+ium: stn els oln aww
+pfb: kuc
+xzk: qft gfx fug fjj abi jmw fay ycs vdg mnc
+uix: xmd fto
+fug: ikh
+qwp: ium ykj jzl
+lco: asi cvj
+cji: evd rzq kjy
+scd: gyg clx sum mmd
+isv: icv akf orc
+pda: cmj
+ypx: out
+qxn: aww qbe oln stn els
+gyg: apx lwp vqb yes fpe sak bfo jsl ysq jxj txn fej wec zdm rzx tcj eit
+kvy: oif mmw vhu zgs
+zao: toh pgw yqv
+cgm: nnm gyk
+uef: kth
+wcn: out
+lqv: vmi
+nvf: yqv weg toh
+nmg: lbv
+htl: kpp lcx
+oao: znu cwu
+fjj: ikh wqi
+orc: xmd mvl fto
+tji: mmd fbs clx sum
+gwd: qso niz
+ilb: nkp xzm mno
+ahr: dep
+ocg: bgh xjr igy oht bzh
+dac: pda vmi bhz rjb tcc
+kpp: bwh xgj byk cew uor gmc
+lyi: cvj ufb ozn
+bzh: fto mvl lcx kpp
+tog: qwp
+izt: fxy
+vhu: fcn
+rms: els qbe oln
+tth: yrk tqj ojt
+bwe: vdq gxk ley
+oks: mvl xmd kpp
diff --git a/day11/sample b/day11/sample
new file mode 100644
index 0000000..01e5b43
--- /dev/null
+++ b/day11/sample
@@ -0,0 +1,10 @@
+aaa: you hhh
+you: bbb ccc
+bbb: ddd eee
+ccc: ddd eee fff
+ddd: ggg
+eee: out
+fff: out
+ggg: out
+hhh: ccc fff iii
+iii: out
diff --git a/day11/sol.py b/day11/sol.py
new file mode 100644
index 0000000..eb444f9
--- /dev/null
+++ b/day11/sol.py
@@ -0,0 +1,36 @@
+import heapq
+def solve(input):
+    G = {}
+    V = []
+    for line in open(input):
+        parts = line.split()
+        v = parts.pop(0).strip(':')
+        V.append(v)
+        G[v] = parts
+
+    extra = [e for edges in G.values() for e in edges if e not in V]
+    V += extra
+    for v in extra:
+        G[v] = []
+
+
+    Q = [(0,'you')]
+    dist = {}
+    paths = {v:0 for v in V}
+    paths['you'] = 1
+    while Q:
+        cost, v = heapq.heappop(Q)
+        if v in dist:
+            continue
+        dist[v] = cost
+        for e in G[v]:
+            if e not in dist:
+                heapq.heappush(Q, (cost+1, e))
+            paths[e] += paths[v]
+    print(paths)
+    print(paths['out'])
+
+
+
+solve("sample")
+solve("input")