2 files changed, 1320 insertions, 0 deletions

diff --git a/2017/input/day07.txt b/2017/input/day07.txt
new file mode 100644
index 0000000..9b21346
--- /dev/null
+++ b/2017/input/day07.txt
@@ -0,0 +1,1241 @@
+bqyqwn (68) -> wscqe, cwxspl, syogw, xnxudsh
+ddswb (34)
+hnkvw (320)
+ibqmynm (252) -> oglcdgs, tkjofj, upurae, oypvhy, bzfkt, hdvcz, cfwxyl
+rkerea (87)
+lcmlbj (66)
+vtccvv (69)
+nachvlp (20)
+tmkli (66)
+exuyuk (82)
+ojzogs (79)
+egkiqcp (37) -> rxjnad, psetts
+xadjes (10)
+fivkqxx (121) -> acvzsbe, kkmax, qcmwsvm
+krgtrdn (53)
+mxemqqb (267) -> iuuouds, qqmvd
+iwwqvoa (24)
+yyecrv (59)
+zjpkoar (40)
+ilsgqdw (37)
+bmlfd (43)
+nxqwag (81)
+ubbwvvl (44)
+khfzis (48) -> ztxcc, bvejguc
+gvtcy (39)
+xbxxe (173) -> bzjxil, amklj
+qejgaf (25)
+uunpyb (82)
+dmidur (57)
+fklfgd (65)
+vcjfe (22)
+rkjfx (33)
+ioglbe (88)
+tymkixg (36)
+qbhhtw (90)
+afbrhy (79)
+nswcez (47)
+wzjonl (16)
+xviqup (95)
+claolm (312) -> ndmkbul, rpjfkh
+qhlhfk (387) -> iwwqvoa, rmshk, ftezz
+vtokttx (55)
+boalcdm (13)
+angpy (62) -> fitha, itxgz, pyiexlj, wqshh, rloxobx
+gwcdf (32)
+jpscxfh (46) -> qsakd, exuyuk, dqdmie, kjwfeoj
+qkzpcyy (96)
+fifams (415)
+yseezd (11)
+qcmwsvm (37)
+hfnhd (152) -> vdcfh, ufrhi
+wfgzr (82)
+sjoov (6)
+fonrb (7531) -> xohxq, cmsqe, jefsr
+pyhof (21)
+pplis (9)
+fosdh (90)
+pjkyydd (15)
+wvmtyez (46)
+bzfkt (66) -> rauho, xctuhbx
+zyqssjb (13) -> olebdv, byahs, xajzwdh
+wotus (119) -> dndrnc, tebkmhi, qejgaf
+rusndcc (39) -> xcfxvd, kvylxr, vwkegak, oiuztx
+stofi (16)
+mgqil (66) -> noibcw, nptqxtu
+qjzss (31)
+hawhqex (71)
+kjjee (174) -> lltgjo, gwcdf
+gdamb (99)
+diqdy (183) -> gackyrq, vcjfe, lcnsf
+sfwzqk (54) -> rkuzg, ewvvb
+vktjns (45)
+urwaex (59)
+nyouzhg (17) -> lofybs, baedi
+mklqpn (9)
+iktget (33)
+gxtfu (57)
+xkymbld (37) -> mqgbif, ptxfk
+qjeuqe (92)
+benqzp (92) -> wvmtyez, gmveehb
+rkctaq (20)
+sbwoye (50)
+bujufb (148) -> tduxvx, lxzvkpk, jllqymn, csrpy
+cwfydbh (369) -> qcmtgvr, tyvjs
+cjjytkr (305) -> trszl, fgzgfc
+qsakd (82)
+domway (2464) -> kgphv, pjujovx, hrdggo
+mrpji (61)
+kzrgfb (92)
+hocazx (818) -> bmukspb, mgbwxw, gyirkcj, kgxfc
+bobvssz (25) -> srvqt, alhghui, wnjaw, qhlhfk, lsbvzaf, qjkfys, nnncfl
+rrzyzq (76)
+eaufvn (78) -> dtazpb, nlajc
+tduix (18)
+yzcez (62) -> rlxto, vkaxa
+uvpuko (91)
+xtnmps (95) -> ptatzl, bujufb, oybbzr, zwopz, phqpwkw
+ibeis (54)
+ofkvpq (500) -> auvuxv, stqmwk, dptekr
+pmolg (166) -> uuunqk, uolqt
+byedxex (180) -> gsaqlad, ebwubc
+aicjff (67)
+vtcxw (860) -> ezlfnhs, aizdt, ylbftp
+nzuswm (80) -> ojzogs, qfopwo
+hgwbg (89)
+sflonq (190) -> gppwsbp, mpvgy
+pqiuhyp (52) -> xbtjl, jykseco, aftnyad, xaden, urdgg, ijkpfv, ejekn
+ccgjf (99)
+devsz (38)
+vmmtsr (33)
+ebwubc (70)
+mgcnohi (69)
+klege (92)
+jtlqxy (66)
+ofbqk (148)
+ewluica (22)
+mulvwn (290) -> ubbwvvl, jmuqp, dnovxt
+trlcj (245)
+uezwz (20)
+bbtnj (170) -> xvwok, rqyxzn
+ndticx (54) -> rbtco, bobvssz, umtxk, domway, wugia, ubvttg, ydpemw
+lxwkpqh (325) -> xoigv, fqsjaz
+mpvgy (35)
+ujgeml (94)
+jkoir (6)
+kemkz (98)
+dtqgdc (90)
+girxc (147) -> zylotoh, qtxmjwm
+olawkuc (79) -> earmfdp, wnowypb
+umrqldb (99)
+oyurlfq (57)
+flgpg (188) -> jimltsw, xhgza
+wawtrk (80)
+nlajc (85)
+ewqcktv (1364) -> hfnhd, amqvr, ntxcpwl
+dmvyuf (35)
+vtdbov (50)
+xnszvs (65)
+mjrktxe (50) -> eoxwp, jgsmitm, isrgei, rnbgz, kymbvpp, ktjdpt, mgzocpe
+zicvok (81)
+tkmfbk (93) -> ffhsg, kynezb
+vlwvot (84)
+oybbzr (1007) -> qstlv, nayvvrh, izxpf, habni, ckfefl, fjdlcbh, thhakxn
+qiksfr (44)
+wowxv (92)
+fmdba (44)
+zgxbjj (96)
+jncjxue (66)
+xquhgig (190) -> rqhfxty, maftysp
+habni (27) -> xwknab, xukfcd, scvhl, tcbgf
+iftcnc (50)
+dqdmie (82)
+otlvq (40) -> hjsrvj, rtbcch, vpirde
+mgzocpe (51) -> zkwajbd, mrpji
+fkzxb (89)
+jlsmm (32)
+igdkn (43) -> dgtxjuj, jxyakll, kptdem
+rftuf (43)
+uolqt (9)
+rtwlo (78) -> wgbvle, npttye, claolm, ydffzgu, mgbgb, jwjuth, mulvwn
+nrgzcge (132) -> bywbrk, vazoq, eaufvn
+juoaena (94)
+wfsaglg (54) -> nlfdps, tdkdiqe
+jfsgqq (100) -> crslvc, esized
+mcucysr (49)
+tcbgf (28)
+mlalrpt (166) -> jtbrjm, fyaxzl
+srvqt (155) -> jyftx, dtijfqc, phcqntb, uyhrcfl
+xohxq (1457) -> czbydf, wgdnyy
+lqbmor (230) -> rkjfx, vmmtsr
+jjsyexg (38)
+ynvesz (88) -> rqaxn, afntec
+ibbxb (194) -> imiimt, llikz
+ktasnia (49) -> thkjz, cjgtra, tzngdx, cqjsqh, vtjtyp, lyzaead, xrtzs
+vsjjq (30)
+yjnzgl (67)
+mcrhiy (6559) -> mkgafux, gugxitg, tymmo
+nlgymop (139) -> tymkixg, crchwpb
+ybosi (18)
+rhqfb (179) -> okurp, gpwbcg, invqsb
+kzjozhi (90)
+ixncawy (28)
+ooczbeh (36)
+ubvttg (796) -> wuuvnlz, donzb, bwgimi, rywtmt, rusndcc, ceagctk
+ohcoit (6)
+exrud (176) -> hpziqqg, abxglwt, gozhrsf, oqjqu, vhkodl
+opvrgh (79)
+blyms (46)
+vfrylx (10) -> qhkniqm, bmcwbsi
+ndmkbul (55)
+mohey (86) -> tbmyue, ibeis
+wktzh (93)
+ystgyng (50)
+jclntv (87)
+dsjcqpn (133) -> slufzy, gbbpqj, jxawk
+fitha (68) -> faqngn, xguqqao, athuly, fmdsfus
+xyang (225) -> njxrb, mfwuqb
+acjedny (49)
+mfwuqb (60)
+ayuma (81)
+qqmchoq (7)
+yzjhmqq (171) -> dinpz, upozls
+qfopwo (79)
+srypr (64)
+tvwmzal (236) -> cpujsn, ewluica
+umtxk (2942) -> jyazs, scnhwcs, fmpvv, aahqvqy
+gkwyfz (49)
+dodrbx (227) -> uhtnl, vxnsova
+sfdclf (238)
+kksizqf (44)
+dfofyir (236) -> ddswb, grxdbx
+qakiz (37)
+ceagctk (255) -> bwvlnlt, rkazlp, vbejzc, njhlrtm
+hnjszii (284) -> zkdwz, bwlit
+gbbpqj (34)
+bvaoy (114) -> mogwbda, rodntl
+vkihn (36)
+symdxo (8)
+nduildw (30)
+nxhfgx (18)
+chgfb (16)
+gugaaiq (40)
+euvrdg (79)
+ckzaj (67)
+jupzgjm (90)
+llalaql (27)
+qdnghwn (16)
+iffluz (515) -> bbbvmxo, reomle, vspqi
+nvrjzg (214) -> nzfko, qqmchoq
+xvwok (34)
+enmjipp (95)
+jtbrjm (18)
+rlxto (83)
+xpotznx (41)
+lslhph (59)
+vhkodl (221) -> otlvq, fioegdo, rreidgp, fivkqxx, xahvbm
+mncivb (88)
+hbhfdlh (89)
+mkgafux (688) -> admjq, tqtut, emkgc
+tymmo (22) -> uxjaa, nlgymop, dcvfkk, yzjhmqq, iqjqlfq, faopk
+vxslvq (37) -> jmvcgo, ioglbe
+rxjnad (80)
+ejdxula (92) -> kviiza, uqmaluk, nasbs
+xvzoy (35)
+vukpdsr (162) -> gumncu, mlzmimg, vjobpzv
+xoigv (10)
+iuehdsr (21)
+jzgvab (9)
+odxpup (89)
+vwkegak (92)
+bsvgagj (41)
+mxwgu (310) -> yeyxf, qdnghwn
+jynmg (1140) -> wotus, mohey, fiynyre
+qftwuv (36)
+veabcj (67)
+zaargo (30) -> ytrsmfx, jtlqxy
+xfbfvuu (65)
+gpwbcg (5)
+elysbb (81)
+engpslr (85)
+tqbtvqc (31)
+faqngn (98)
+jykseco (166) -> xawzbz, fsdoohr
+nfywcyp (62)
+rreidgp (168) -> vfupn, xyvnk
+obmcr (89)
+spnllx (76)
+mbbuqoi (35)
+wjxgg (177) -> symdxo, dsptf, yaxeloo, yxrhis
+chcjswk (89)
+anamgt (346) -> ywwxi, rnbvid
+zjwqc (26)
+wxgoew (1481) -> hnjszii, ygqxl, xhkwrs
+dydcy (76) -> drnki, uxolsws, lrcstqr
+npttye (42) -> wkrgvo, jhydv, enmjipp, hnyjyga
+yjwvnhl (219)
+fykgs (43)
+vrmqym (97) -> lrmnb, nvigovl
+gkfdg (226) -> ohcoit, jkoir
+ictsk (122) -> devsz, jjsyexg
+gixezcy (37)
+rywtmt (158) -> nevrtrs, sybvdj, qcorw
+pwhtvdh (40)
+yapfoe (59)
+xnnbqju (90) -> xzsmw, petvm, xyxidwf
+vxiwms (99)
+htaszsq (87)
+mgbwxw (52) -> afbrhy, jrsfu
+rdzsisf (59)
+qvxanzu (262) -> nxhfgx, vvzmdr, inddon, ybosi
+ysbhsn (181) -> wleavrv, kmvvxon
+tirifqs (6489) -> ofbqk, iqdiez, kspsz, kejph
+rnkbli (84)
+bjbndbg (169) -> oqsdzpe, sbwoye, yhukqf
+dndrnc (25)
+oxzhz (86) -> bcbftl, hjzgzoe
+ufrhi (68)
+gsyeaes (26)
+kgbzu (180) -> wzczb, bzqjb
+dgtxjuj (97)
+xulgx (5)
+wleavrv (16)
+qnhbmzp (118) -> wktzh, zodwdpq
+csrpy (62) -> zmoxc, ccgjf, umrqldb, gdamb
+ldqyt (50)
+btwmd (54)
+volompq (96)
+qmshniw (443)
+lrmnb (98)
+yijwaf (32)
+paoxff (98)
+ulbute (95)
+lyzaead (939) -> jfqddfd, ucpkpfb, sbmwazv
+rodntl (60)
+tykcvi (9)
+aftnyad (188) -> rfqddq, recxxj
+zdelqb (155) -> jaasf, snqnh
+akwcv (65)
+nszqngg (44)
+eavas (45) -> ytsmc, mrxdp, prjpkm, nzawh
+fqvbdq (96) -> tzimies, jduij
+mabcqcb (194) -> itutdol, vtokttx
+trvtkqj (49)
+ynlzggk (36)
+pggjo (19)
+jajdx (19)
+ackyirz (16)
+gtiopzn (49)
+idvnxqp (5)
+njsjq (273) -> vptdap, eteyvz
+qkjdjpe (44)
+dzfon (61) -> wksjlix, zicvok, utiwem
+nxmhned (166) -> pekohn, xnszvs
+pnqycz (43) -> gkkit, khyca, yudzxoa
+lvkeqm (192) -> lneyu, uopxjn
+qvrvcu (19)
+hvwyae (23)
+ocgbpez (114) -> gjgrhw, bvtgvu
+mehuxr (53)
+pmdcajx (7)
+ybixf (299) -> xvhgvw, ooczbeh, ksbwlir, pkzwosb
+inlft (36)
+hshafy (65)
+nzfko (7)
+vcnael (95)
+nxuer (13)
+pulql (59) -> akwcv, uijffti, ysxvzdu, xfbfvuu
+hlbotz (13)
+zhrdezs (28)
+aqxaecv (297)
+ppjapn (27)
+bbbvmxo (21) -> rceksnv, uhnlse, rswnjx, ogcmm
+ikvzux (44)
+hdvcz (156) -> zisdcf, keurs, bjops
+ytsmc (22)
+jiwfia (13)
+jthpj (44)
+dtijfqc (76)
+vgfhpwb (99)
+sjmhuxn (11) -> aceyee, iohigm, zildb, vrmqym, pxxabj, gjjfx
+byahs (65)
+qllime (202) -> dspkk, wgtnepi
+ksbwlir (36)
+hzawlq (16)
+kgwftu (87)
+qtzelhq (62)
+wabzx (209) -> sfazwz, lnndami
+dyazidi (219)
+resoi (25)
+hgwkyu (91)
+urdgg (166) -> srypr, fnayjx
+hsfhqhe (17)
+metif (68)
+ifxzdfy (96) -> ssnpxj, ejhojmh
+jefsr (477) -> fqvbdq, xsygbj, rcluk, dcero, lfgqgs
+oglcdgs (140) -> dmvyuf, xvzoy
+jrhzmbj (45)
+mlvhqpe (91) -> qsstg, tnrrui, utsnke, gxtfu
+iffxdk (87)
+xboqv (17)
+hppxlu (174) -> lkjhmiq, kntwy, auhnyn
+pralyx (191) -> dmkfnm, xcmzg
+osnkrr (53)
+nhvyso (77)
+mogwbda (60)
+rqaxn (96)
+vxnsova (5)
+xsxnizc (50)
+hskhxx (36)
+ogcmm (57)
+drnki (25)
+ecjxs (197)
+dnniv (16)
+wnjaw (369) -> brvxyyg, hsvmept, praagwp
+xjcxk (24)
+aahqvqy (74)
+hpwaux (97)
+sadyx (59)
+dptekr (112) -> xiqthw, ihtfo
+mlmhe (4563) -> uwxjkq, uqals, ofkvpq, pyxdkm
+yytmc (66)
+hmbuu (16)
+ezzpr (94)
+zpxgfq (118) -> tqplqn, fysxwmd
+hgkmod (75)
+earmfdp (83)
+mxpgmte (5)
+kcfgbv (73) -> fdeowqq, pbzvjg, tzrqwt
+jtxjj (120) -> hiuviy, sadyx
+dsptf (8)
+dsezlbe (54)
+onzind (245) -> wayzzn, ystgyng
+pjndde (422) -> yseezd, cseckdt
+rnbgz (131) -> iuehdsr, xgzluhk
+yswonja (195) -> gachtig, bjadb, gtiopzn
+piizso (59)
+msqxo (47)
+jacmj (29)
+hjsrvj (64)
+prcxksh (20)
+aceyee (219) -> gixezcy, zqwqcnq
+pkipy (95)
+czbydf (75)
+bpguivk (32)
+utapoe (84)
+qjdou (87)
+njhlrtm (38)
+pkzwosb (36)
+wpphwjv (83)
+teqej (66)
+lneyu (64)
+dicalia (44)
+opzxu (46)
+gasejp (15)
+llikz (22)
+uhtnl (5)
+kntwy (25)
+wzbewii (157) -> myetb, dhwakp, vqtalpm
+vkaxa (83)
+kwnqw (49)
+uhnlse (57)
+zqamk (37518) -> mflijpx, ikzap, wzimze, agjpn
+fnnykbh (91) -> nxqwag, tpcbt, elysbb, xlaqpg
+ytrsmfx (66)
+pyiexlj (92) -> oozbxqb, kzrgfb, klege, csfjt
+yaxeloo (8)
+tzbmy (71)
+pjecv (56)
+gsaqlad (70)
+gmzcjo (76)
+cuscn (114) -> fmdba, ikvzux
+rbzmniw (52959) -> tespoy, tirifqs, exrud
+jzoxv (52)
+egizyey (78) -> metif, towuup
+uxolsws (25)
+twyhx (86)
+nqjydpi (44) -> rpgzp, nszqngg, jthpj, qiksfr
+avecfoq (95)
+wltax (21)
+xfyqx (20)
+tnrrui (57)
+gmveehb (46)
+kymbvpp (67) -> qzvobt, osnkrr
+xbccghy (66)
+iqdiez (134) -> wkkmvcn, nkzgse
+pmopji (128) -> gpcyq, qsdyww
+cfwxyl (210)
+khzqqwi (12)
+wjrhp (992) -> nyouzhg, ccxff, qmifv, oonpy, vutdji, owukmji
+yvlajs (35)
+hkltivy (26)
+vylzag (33)
+mieynp (21)
+jppbvbo (929) -> ynvesz, tvwmzal, mbwaxn
+yxxgd (296)
+utiwem (81)
+ihvefep (110) -> ffzzzc, ckzaj, zfyqzi
+vfupn (32)
+jhydv (95)
+vspqi (201) -> wzjonl, dnniv, pdazlob
+iohigm (248) -> icxzod, mclqrmw, pjkyydd
+hzehjo (43)
+kwhgtnk (78)
+npxexv (66)
+lycfbo (89)
+vezhmd (47)
+amqvr (274) -> aditjen, xvdmeo
+vbqpp (35)
+upurae (33) -> rdzsisf, lslhph, urwaex
+uvkwg (88)
+wapknj (2443) -> xulgx, idvnxqp
+mvgmf (105) -> dicalia, qhkhuow, phnuqn
+qmifv (163) -> hzawlq, ackyirz
+xlacmu (87)
+aesiz (86)
+jjiikvt (25)
+prjpkm (22)
+rbtco (1110) -> dfofyir, qnhbmzp, dzfon, zmdkea, valby, mabcqcb, mifwbmm
+greav (20)
+dmkfnm (30)
+ftezz (24)
+iuuouds (14)
+jwjuth (390) -> hmbuu, oxlzlor
+gzwrv (212) -> efqjc, gasejp, qqooh
+wgdnyy (75)
+rqhfxty (53)
+qhpvuzi (75)
+cvxqnh (53)
+stqmwk (96) -> vcnael, dhobx
+wuuvnlz (206) -> pznkdcr, ucfipvi, jfhzgp
+nnyws (190)
+bbbhx (5)
+qdfvw (69) -> hgwkyu, uvpuko, wclnx
+inddon (18)
+gyirkcj (138) -> inlft, vkihn
+lrtzi (53)
+pjlxc (62)
+slufzy (34)
+zkdwz (20)
+tigvdj (44217) -> xtnmps, ylnobx, mlmhe
+vptdap (23)
+aemkbp (35) -> dwrtbo, rkerea, iffxdk
+dpngy (17)
+nzhbfc (207) -> hvgozl, hsfhqhe
+wayzzn (50)
+myhnuu (66)
+jrsfu (79)
+gqeiy (257) -> opvrgh, sibvtz
+xgzluhk (21)
+fiynyre (156) -> mieqogh, zpaivc
+vqtalpm (26)
+thkjz (437) -> insleik, ayjse, sgovqnf, wjxgg, euwab
+ylbftp (82) -> epcjds, gsyeaes
+ndikjqv (22)
+tqplqn (36)
+aifpxqv (89)
+hjbfr (20)
+lltgjo (32)
+picnycy (33)
+kplvk (24)
+ptatzl (314) -> sfdclf, ibbxb, slzpby, kjjee, bbtnj, gkfdg, nzuswm
+qtxmjwm (7)
+ckudisa (78)
+opskc (35)
+qhkniqm (96)
+rqyxzn (34)
+vdcfh (68)
+hpziqqg (637) -> ypqkl, nmazby, hxswr
+vrfme (20)
+ozdnanh (34)
+qcmtgvr (12)
+gvdlvgg (20)
+krnbkr (82) -> qladcl, tefdmi, ocdpr
+fyxttac (39)
+hbbpp (95)
+hjzgzoe (38)
+hjqsj (85)
+asevk (44) -> hpwaux, byojhfr
+fgzgfc (44)
+ejtdhx (57)
+ntxcpwl (36) -> kerjk, nggubzz, utapoe
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+vqinar (2904) -> qhbrmur, nrgxdmx, angpy, gcswiam
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+hiuviy (59)
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+uqynzy (80)
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+gugxitg (553) -> trlcj, olawkuc, xeihyok
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+lzojty (214)
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+vahmn (49) -> twyhx, rztur, pchfpqp, anggtqq
+eourjv (204) -> kpbawoe, zjwqc
+ssvfbfs (96)
+dxlpr (8)
+sgovqnf (69) -> kzsoasg, dnbejx
+eoxwp (133) -> zxygmaq, xadjes, nulax, rpwdig
+ydffzgu (380) -> olvztw, zfipnh
+byojhfr (97)
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+fhqhu (188) -> igbzlxl, llalaql, ppjapn, csdap
+kzsoasg (70)
+cvqbwem (92) -> wjceo, gqqsfsr, vukpdsr, cneno, bvaoy
+pjujovx (96) -> ayuma, bmmzqxb
+vjobpzv (24)
+kerjk (84)
+qvaayfl (80)
+bcesxba (444)
+hnyjyga (95)
+gjjfx (131) -> btwmd, xznhz, dsezlbe
+idmqvse (32)
+ygqxl (16) -> nhvyso, talptwp, qiznqk, ugzmeb
+ozyqew (95)
+itxgz (370) -> epqowm, jrhzmbj
+afntec (96)
+cgveph (71)
+isxysg (8)
+cqlvkj (65)
+ykitsi (63)
+bjhxuqc (53)
+uahcz (50)
+vbejzc (38)
+cujuai (157) -> ldqyt, fgcajp
+kgphv (246) -> wvvivob, sjoov
+gqqsfsr (78) -> ckudisa, kwhgtnk
+dofou (44)
+uijffti (65)
+nkzgse (7)
+xrtzs (96) -> ictsk, invra, rkgoovn, gzocw, hbptt, ucilvib, cnffplo
+zvbqni (105) -> qkzpcyy, qsrxouy
+zqbpucs (568) -> dfmjy, fnnykbh, gqeiy, fifams
+lnndami (68)
+rcluk (156) -> fjticim, mbbuqoi
+zylotoh (7)
+phcqntb (76)
+amcixd (29)
+jlsryou (95)
+rceksnv (57)
+vwnvlh (1534) -> krnbkr, egizyey, empixc, lzojty, vyinb, zeolg, qxnvoh
+chyun (94)
+hrjlzxr (1124) -> ybixf, qmshniw, zrnlkl
+bwlit (20)
+grxdbx (34)
+eqgvf (9) -> wdbmakv, zqamk, hvecp, rbzmniw, jfofam, tigvdj
+uqals (78) -> ropdc, pbdafpz, mgqil, pygrhr, eourjv
+veuzidj (49) -> kmhug, yrolq, csfzl
+eovobtl (149) -> hzuyh, iftcnc
+udgssh (5)
+nxbec (96)
+dyomhm (40) -> npxexv, xbccghy, jncjxue, nadbegy
+fsdoohr (64)
+lcrbt (29)
+rarkt (1387) -> mjqzvuu, nzhbfc, veuzidj
+temju (53) -> qpzszp, cqlvkj
+nrgxdmx (1352) -> mlalrpt, nqfqgj, cuscn, ogowst, vfrylx
+tlpfggk (25)
+wzimze (4005) -> uwjkolt, jynmg, ibqmynm
+ddgnyfo (79)
+fyaxzl (18)
+qpzszp (65)
+eitdb (197) -> trvtkqj, kwnqw
+fgsmzi (525) -> dzuqljn, ihvefep, uhrdeol, gdvuw
+nevrtrs (83)
+jyftx (76)
+lcitl (1114) -> nlwakg, hwgwzv, girxc
+kzjtb (78) -> gacseeh, lycfbo, aifpxqv
+zacwh (5)
+glcsinj (90) -> aemkbp, yxxgd, fhqhu, xquhgig, nxmhned, lqbmor, qmyfg
+rswnjx (57)
+cokvree (96)
+ewgadin (39)
+oqsdzpe (50)
+yznmd (62) -> uvkwg, mncivb
+lpdhdvy (65)
+kmhug (64)
+bvtgvu (94)
+hycgb (237) -> zmciyk, ysbhsn, vxslvq
+ycuuwxa (161) -> vehziv, rvqopbu
+mieqogh (19)
+xadcuw (1626) -> chgfb, stofi
+supjxi (21)
+rfqddq (53)
+qbaosu (314) -> hshafy, ukgbdva
+ptxfk (73)
+lofybs (89)
+agjpn (8265) -> ocgbpez, ejdxula, kgbzu
+mgbgb (334) -> kksizqf, dofou
+izxpf (39) -> ewobo, ntezb, sbmqxu, tlpfggk
+znagag (89)
+zmciyk (19) -> mieuhe, psjec
+dhobx (95)
+hvecp (90) -> hrrld, jazqb, fonrb, dcpzwz, vqinar, bxqqvue
+sjbfmfa (80) -> fewgct, jupzgjm
+fmpvv (74)
+bcadp (91)
+tmzxl (23)
\ No newline at end of file
diff --git a/2017/src/bin/day07.rs b/2017/src/bin/day07.rs
new file mode 100644
index 0000000..9d2d75a
--- /dev/null
+++ b/2017/src/bin/day07.rs
@@ -0,0 +1,79 @@
+use std::cell::RefCell;
+use std::collections::HashMap;
+use std::io::{self, Read};
+use std::rc::Rc;
+
+#[derive(Debug, Default, Clone)]
+struct Program {
+    weight: u32,
+    disc: Vec<Rc<RefCell<Program>>>,
+}
+
+fn solve1(input: &str) -> String {
+    let mut programs: HashMap<String, Rc<RefCell<Program>>> = HashMap::new();
+    for line in input.lines() {
+        let mut words = line.split_whitespace();
+
+        let name = words.next()
+            .unwrap()
+            .to_owned();
+        let weight = words.next()
+            .unwrap()
+            .trim_matches(&['(', ')'][..])
+            .parse()
+            .unwrap();
+
+        if words.next().is_none() {
+            programs.entry(name)
+                .or_insert_with(Default::default)
+                .borrow_mut()
+                .weight = weight;
+            continue;
+        }
+
+        let disc = words.map(|child| {
+            programs.entry(child.trim_right_matches(',').to_owned())
+                .or_insert_with(Default::default)
+                .clone()
+        }).collect();
+
+        let mut program = programs.entry(name)
+            .or_insert_with(Default::default)
+            .borrow_mut();
+        program.weight = weight;
+        program.disc = disc;
+    }
+
+    programs.into_iter()
+        .find(|&(_, ref p)| Rc::strong_count(p) == 1)
+        .unwrap()
+        .0
+}
+
+fn main() {
+    let mut input = String::new();
+    io::stdin().read_to_string(&mut input).unwrap();
+
+    println!("Part 1: {}", solve1(&input));
+}
+
+#[test]
+fn part1() {
+    assert_eq!("tknk", solve1(
+"\
+pbga (66)
+xhth (57)
+ebii (61)
+havc (66)
+ktlj (57)
+fwft (72) -> ktlj, cntj, xhth
+qoyq (66)
+padx (45) -> pbga, havc, qoyq
+tknk (41) -> ugml, padx, fwft
+jptl (61)
+ugml (68) -> gyxo, ebii, jptl
+gyxo (61)
+cntj (57)
+"
+    ));
+}