diff --git a/07/2022-12-07-AB.py b/07/2022-12-07-AB.py
new file mode 100644
index 0000000..0ecb035
--- /dev/null
+++ b/07/2022-12-07-AB.py
@@ -0,0 +1,29 @@
+#!/usr/bin/env python3
+
+space = {"/":0}
+loc = ["/"]
+
+for c in open("07/i").read().split("$"):
+  if c[0:6]==" cd ..":
+    loc.pop()
+  elif c[0:5]==" cd /":
+    loc = ["/"]
+  elif c[0:4]==" cd ":
+    loc.append(c.strip().split(" ")[1])
+
+  elif c[0:3]==" ls":
+    for l in c.strip().split("\n")[1:]:
+      txloc = "/".join(loc) if len(loc)>1 else "/"
+
+      if l[0:3]=="dir":
+        new_dir = "/".join([txloc,l.split(" ")[1]])
+        space[new_dir] = 0
+
+      else:
+        val = int(l.split(" ")[0])
+        space[txloc] += val
+        for i in range(1,len(loc)):
+          space["/".join(loc[:i])]+=val
+
+print(sum(filter(lambda x: x<100000,space.values())))
+print(sorted([(v, k) for k, v in space.items() if v > 30000000-(70000000-space["/"])])[0][0])
diff --git a/07/i b/07/i
new file mode 100644
index 0000000..1e4844c
--- /dev/null
+++ b/07/i
@@ -0,0 +1,1045 @@
+$ cd /
+$ ls
+dir lhrfs
+193233 mvsjmrtn
+dir nwh
+dir pjsd
+dir qfrrtb
+31987 zzdfcs
+$ cd lhrfs
+$ ls
+197903 hzl.jdj
+42249 wsbpzmbq.hws
+$ cd ..
+$ cd nwh
+$ ls
+63077 bgrccm.tqh
+69961 dznccwl.bnw
+dir pmdj
+187013 rsbvj.jtd
+$ cd pmdj
+$ ls
+292527 rlgfd.rrd
+68737 tbj.grn
+153072 wsbpzmbq.hws
+$ cd ..
+$ cd ..
+$ cd pjsd
+$ ls
+dir czzcslm
+dir dgwpl
+dir fqg
+dir lszhdjr
+dir mmpf
+dir wtwhzzwz
+149748 zzdfcs
+$ cd czzcslm
+$ ls
+249237 bvrnzhd.vzp
+16960 ssvqllt.ccv
+$ cd ..
+$ cd dgwpl
+$ ls
+23547 brsbfqbm.hls
+dir ljzrwpv
+$ cd ljzrwpv
+$ ls
+dir btnzjtlr
+dir czr
+$ cd btnzjtlr
+$ ls
+191998 tbj.mwg
+$ cd ..
+$ cd czr
+$ ls
+dir fqg
+$ cd fqg
+$ ls
+276766 llhzr.pjh
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd fqg
+$ ls
+275942 bhcg
+dir fqg
+dir gghdbzz
+dir hswgvpt
+75273 hzl
+dir lfpblmwt
+dir sdcwn
+dir wmrwd
+$ cd fqg
+$ ls
+dir bpbtnq
+267620 btnzjtlr.mgr
+174395 fqg.vpw
+dir tfbfgzw
+dir twhvbbr
+$ cd bpbtnq
+$ ls
+194542 mtztnd.hdb
+$ cd ..
+$ cd tfbfgzw
+$ ls
+dir cgdlflbt
+10814 fqg.cqp
+40235 fztb.jzr
+dir hzl
+$ cd cgdlflbt
+$ ls
+176005 wsbpzmbq.hws
+$ cd ..
+$ cd hzl
+$ ls
+dir ccpdp
+dir hgwpjvn
+dir hzl
+203730 pbn.rzl
+88179 tbj
+295466 zdbmfmzs.jjh
+$ cd ccpdp
+$ ls
+172836 btnzjtlr
+$ cd ..
+$ cd hgwpjvn
+$ ls
+122725 hnsrdnl.ctv
+261470 tmgpjbj
+$ cd ..
+$ cd hzl
+$ ls
+59843 lffmd.fwr
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd twhvbbr
+$ ls
+134874 hnsrdnl.ctv
+$ cd ..
+$ cd ..
+$ cd gghdbzz
+$ ls
+dir fqg
+$ cd fqg
+$ ls
+233336 ssvqllt.ccv
+$ cd ..
+$ cd ..
+$ cd hswgvpt
+$ ls
+dir fwfhnbc
+dir hcp
+221595 hnsrdnl.ctv
+230875 hzl
+257695 jbfnlc.qqn
+126050 tbj.qlc
+dir wdlh
+$ cd fwfhnbc
+$ ls
+293848 zhz.mff
+$ cd ..
+$ cd hcp
+$ ls
+288118 gdndr.gwn
+$ cd ..
+$ cd wdlh
+$ ls
+227328 btnzjtlr.msq
+dir hzl
+94325 hzl.wjp
+272466 zzdfcs
+$ cd hzl
+$ ls
+184779 ssvqllt.ccv
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd lfpblmwt
+$ ls
+151071 ssvqllt.ccv
+$ cd ..
+$ cd sdcwn
+$ ls
+61632 hzl.mvp
+dir tbj
+dir tdwc
+dir tnjcf
+dir tstqdt
+$ cd tbj
+$ ls
+dir btnzjtlr
+dir cwsv
+1318 tbj
+293645 wnv
+$ cd btnzjtlr
+$ ls
+2441 hnsrdnl.ctv
+$ cd ..
+$ cd cwsv
+$ ls
+238930 gwr
+236116 tlzqtch
+$ cd ..
+$ cd ..
+$ cd tdwc
+$ ls
+dir btnzjtlr
+dir fqg
+dir zgjpfj
+$ cd btnzjtlr
+$ ls
+177427 tbj.hgf
+$ cd ..
+$ cd fqg
+$ ls
+241003 dbnwzbn.flv
+$ cd ..
+$ cd zgjpfj
+$ ls
+249565 fqg
+238012 tbj.csq
+$ cd ..
+$ cd ..
+$ cd tnjcf
+$ ls
+188504 lljwfglp.wnb
+35384 wsbpzmbq.hws
+$ cd ..
+$ cd tstqdt
+$ ls
+dir lszhdjr
+$ cd lszhdjr
+$ ls
+252181 ssvqllt.ccv
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd wmrwd
+$ ls
+117914 btnzjtlr
+224916 hnsrdnl.ctv
+dir lszhdjr
+112511 trjm.mrw
+20365 trn
+$ cd lszhdjr
+$ ls
+183834 sdnlhh.ntt
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd lszhdjr
+$ ls
+dir gjlms
+dir hrwjmrwf
+dir vblznslv
+$ cd gjlms
+$ ls
+301712 bbs.fhq
+dir btnzjtlr
+148329 cnvlrpbs.tqv
+dir hzl
+107466 hzl.zps
+dir jgflpb
+9865 trjm.mrw
+$ cd btnzjtlr
+$ ls
+60204 nhmc
+$ cd ..
+$ cd hzl
+$ ls
+99518 lszhdjr.stz
+$ cd ..
+$ cd jgflpb
+$ ls
+251545 hzl.ncm
+$ cd ..
+$ cd ..
+$ cd hrwjmrwf
+$ ls
+65264 btnzjtlr.qgg
+123207 pqsn
+30133 zzdfcs
+$ cd ..
+$ cd vblznslv
+$ ls
+19460 hzl
+$ cd ..
+$ cd ..
+$ cd mmpf
+$ ls
+200340 dnsq
+109756 snl
+$ cd ..
+$ cd wtwhzzwz
+$ ls
+dir bpwjhpgr
+dir btnzjtlr
+dir dgqljsbq
+dir fqg
+dir mbbtzgmf
+dir vvmzhhtv
+dir wglhbp
+dir zcwmf
+$ cd bpwjhpgr
+$ ls
+1514 mjczjz
+$ cd ..
+$ cd btnzjtlr
+$ ls
+209165 lszhdjr
+$ cd ..
+$ cd dgqljsbq
+$ ls
+160750 btnzjtlr
+dir fqg
+dir hrncl
+5964 hzvr.ftp
+dir jldnlddj
+267082 qdc.grf
+205213 sjpdjt.ngt
+dir vws
+175214 wzwwqq.stp
+$ cd fqg
+$ ls
+dir ghsdjhj
+$ cd ghsdjhj
+$ ls
+166720 jqcjngn.fmf
+298171 zzdfcs
+$ cd ..
+$ cd ..
+$ cd hrncl
+$ ls
+dir hzl
+82355 trjm.mrw
+dir vrqbf
+261260 wsbpzmbq.hws
+18593 wtmlmprg.whh
+$ cd hzl
+$ ls
+344 drndgmgz.flz
+241877 zzdfcs
+$ cd ..
+$ cd vrqbf
+$ ls
+dir blf
+dir pzrfw
+dir tbj
+$ cd blf
+$ ls
+68629 wdhfbtj.ncc
+$ cd ..
+$ cd pzrfw
+$ ls
+dir hzl
+dir mdh
+dir tbj
+$ cd hzl
+$ ls
+12677 gvdh.ltp
+$ cd ..
+$ cd mdh
+$ ls
+222003 qbvfdv
+$ cd ..
+$ cd tbj
+$ ls
+dir wtmcqwgp
+$ cd wtmcqwgp
+$ ls
+dir stcgrs
+$ cd stcgrs
+$ ls
+285843 tbj
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd tbj
+$ ls
+173380 mcgzmthd.mdg
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd jldnlddj
+$ ls
+57836 brdtwc.pws
+dir fqg
+dir hzl
+140902 lbn
+dir qhrcm
+dir ssrc
+169907 wsbpzmbq.hws
+$ cd fqg
+$ ls
+273621 pwjr.gwt
+$ cd ..
+$ cd hzl
+$ ls
+dir fqg
+dir tbj
+$ cd fqg
+$ ls
+290882 hcf.sqw
+62759 hlntl.zqg
+115593 ntgm.wjn
+64481 qwtv
+$ cd ..
+$ cd tbj
+$ ls
+199421 gsvpcdm
+200467 hnsrdnl.ctv
+9980 lgqgdvwz.zdp
+dir lqlml
+19593 pgn
+51598 tqqbwd
+$ cd lqlml
+$ ls
+92416 fdwgg.rdp
+279285 zzdfcs
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd qhrcm
+$ ls
+278543 trjm.mrw
+279502 zzdfcs
+$ cd ..
+$ cd ssrc
+$ ls
+238789 zfvwwnhl
+$ cd ..
+$ cd ..
+$ cd vws
+$ ls
+249170 bgfrh
+dir ndtnt
+$ cd ndtnt
+$ ls
+5224 qwdnzdq.rfz
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd fqg
+$ ls
+171994 trjm.mrw
+$ cd ..
+$ cd mbbtzgmf
+$ ls
+dir cfqzlgm
+57211 ssvqllt.ccv
+dir tbj
+$ cd cfqzlgm
+$ ls
+dir tlbgq
+$ cd tlbgq
+$ ls
+232962 ssvqllt.ccv
+$ cd ..
+$ cd ..
+$ cd tbj
+$ ls
+23083 lszhdjr.lzt
+$ cd ..
+$ cd ..
+$ cd vvmzhhtv
+$ ls
+150567 fcpv.vws
+$ cd ..
+$ cd wglhbp
+$ ls
+dir cjm
+dir gjhzw
+dir lmzzlp
+123986 lszhdjr.hcj
+275863 lwbz
+121332 snnhqgp.tdj
+dir stngv
+dir wdzvcfm
+dir wjqztbj
+dir wzhsq
+$ cd cjm
+$ ls
+300643 jhtjsn.hzm
+$ cd ..
+$ cd gjhzw
+$ ls
+dir hwlj
+dir tbj
+$ cd hwlj
+$ ls
+280279 ssvqllt.ccv
+$ cd ..
+$ cd tbj
+$ ls
+88746 ssvqllt.ccv
+139206 tbj
+$ cd ..
+$ cd ..
+$ cd lmzzlp
+$ ls
+9261 btnzjtlr
+dir fqg
+128118 fqg.fsf
+165323 hnsrdnl.ctv
+dir prvmm
+$ cd fqg
+$ ls
+35303 dcglqd.zrj
+71812 mvzh
+32361 ssvqllt.ccv
+69305 zzdfcs
+$ cd ..
+$ cd prvmm
+$ ls
+296946 zzdfcs
+$ cd ..
+$ cd ..
+$ cd stngv
+$ ls
+dir hgj
+46259 vlb.ztz
+25946 zstwl.wgs
+106712 zzdfcs
+$ cd hgj
+$ ls
+289819 dhwr.mvc
+85418 dvpvhhgj.fmw
+108543 fqg.frj
+229544 pwhwmctv
+$ cd ..
+$ cd ..
+$ cd wdzvcfm
+$ ls
+dir sdphr
+$ cd sdphr
+$ ls
+84638 hnsrdnl.ctv
+$ cd ..
+$ cd ..
+$ cd wjqztbj
+$ ls
+240174 btnzjtlr.ldw
+125567 lszhdjr
+265718 lszhdjr.mmz
+242407 wzjcc
+$ cd ..
+$ cd wzhsq
+$ ls
+dir hzl
+22176 hzl.cpv
+122990 ldtwhvc.vcv
+$ cd hzl
+$ ls
+309519 plnn.pdn
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd zcwmf
+$ ls
+dir hwq
+268508 mztd
+$ cd hwq
+$ ls
+189618 trjm.mrw
+120145 wsbpzmbq.hws
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd qfrrtb
+$ ls
+dir dmntr
+dir fqg
+dir gpcvsbpl
+dir hzl
+dir mqbhs
+dir pgvngj
+dir pnrdwlqn
+dir qlnwhq
+$ cd dmntr
+$ ls
+dir btnzjtlr
+141598 fqg.wcw
+223036 hnsrdnl.ctv
+96925 qhwmj
+257697 ssvqllt.ccv
+184839 vmbfhldv.zgm
+$ cd btnzjtlr
+$ ls
+153689 jnbthqwp
+dir tcp
+$ cd tcp
+$ ls
+90378 mczzfwsz.hwf
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd fqg
+$ ls
+dir btq
+51590 fqg
+176455 gnqsnpj.vsh
+dir mthwtst
+dir trhz
+dir zbpjvb
+$ cd btq
+$ ls
+dir bdnc
+dir ttpj
+dir vftshfd
+$ cd bdnc
+$ ls
+263358 trjm.mrw
+$ cd ..
+$ cd ttpj
+$ ls
+185501 fqg.dvq
+151107 ltmmsr.lqd
+dir mbtqmqh
+231236 sdzp.qhb
+16601 vfflgw.vrr
+75487 zbvllh.gqb
+$ cd mbtqmqh
+$ ls
+dir lszhdjr
+184660 pmwswf.lrm
+dir tbj
+dir zqbss
+262042 zzdfcs
+$ cd lszhdjr
+$ ls
+dir dmc
+$ cd dmc
+$ ls
+173189 mzmr.nrj
+$ cd ..
+$ cd ..
+$ cd tbj
+$ ls
+59531 fjqfbq
+$ cd ..
+$ cd zqbss
+$ ls
+dir btnzjtlr
+dir lszhdjr
+14365 sqdj
+$ cd btnzjtlr
+$ ls
+113619 trjm.mrw
+$ cd ..
+$ cd lszhdjr
+$ ls
+87142 hnsrdnl.ctv
+dir lszhdjr
+$ cd lszhdjr
+$ ls
+dir jsdrvbhc
+$ cd jsdrvbhc
+$ ls
+210295 hzl
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd vftshfd
+$ ls
+dir jjws
+dir mvdcjgp
+dir qflcrlrm
+$ cd jjws
+$ ls
+82848 trjm.mrw
+$ cd ..
+$ cd mvdcjgp
+$ ls
+231865 lzzl
+$ cd ..
+$ cd qflcrlrm
+$ ls
+150667 btnzjtlr
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd mthwtst
+$ ls
+26308 lszhdjr.dbb
+$ cd ..
+$ cd trhz
+$ ls
+16138 swtdz.hdt
+$ cd ..
+$ cd zbpjvb
+$ ls
+69598 hnsrdnl.ctv
+96314 tbj.gpj
+$ cd ..
+$ cd ..
+$ cd gpcvsbpl
+$ ls
+dir dbssfzqt
+dir pgn
+dir zfgvldv
+$ cd dbssfzqt
+$ ls
+156599 jcv
+68192 zzdfcs
+$ cd ..
+$ cd pgn
+$ ls
+124613 fqg
+139219 gmnqvlbb.nnf
+177527 hnsrdnl.ctv
+116238 hzl.qwm
+dir tbj
+69576 zzdfcs
+$ cd tbj
+$ ls
+78863 hnsrdnl.ctv
+dir lszhdjr
+$ cd lszhdjr
+$ ls
+76043 qjwjw.dbn
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd zfgvldv
+$ ls
+dir tbj
+$ cd tbj
+$ ls
+308796 gqcw.fsm
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd hzl
+$ ls
+50784 btnzjtlr
+19755 gjbcgphh.rbw
+169847 lncnj.bct
+46359 mbrtgl
+dir nlnt
+269695 wfg.cdn
+$ cd nlnt
+$ ls
+dir cqfzqwr
+dir dghdql
+dir fnd
+159573 hnsrdnl.ctv
+dir lszhdjr
+16814 tsm
+59202 wsbpzmbq.hws
+22244 zlbj
+$ cd cqfzqwr
+$ ls
+213009 trjm.mrw
+$ cd ..
+$ cd dghdql
+$ ls
+61202 hnsrdnl.ctv
+$ cd ..
+$ cd fnd
+$ ls
+237330 hnsrdnl.ctv
+$ cd ..
+$ cd lszhdjr
+$ ls
+222813 ssvqllt.ccv
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd mqbhs
+$ ls
+dir fqg
+$ cd fqg
+$ ls
+121590 lcwsbvw.jlj
+13769 zzdfcs
+$ cd ..
+$ cd ..
+$ cd pgvngj
+$ ls
+29079 lnfsw.mvd
+dir tbj
+$ cd tbj
+$ ls
+303514 ssvqllt.ccv
+81789 wsbpzmbq.hws
+$ cd ..
+$ cd ..
+$ cd pnrdwlqn
+$ ls
+145498 btnzjtlr.hdq
+209811 fqg
+dir gscsq
+39287 jbln.grc
+dir lszhdjr
+dir zcj
+$ cd gscsq
+$ ls
+dir btnzjtlr
+257666 cmflqncq.csp
+146453 lszhdjr.jvl
+21252 ssvqllt.ccv
+dir vjpgs
+29627 zjgswm.zmw
+$ cd btnzjtlr
+$ ls
+52870 fqg.bcq
+131279 hnsrdnl.ctv
+dir hts
+180154 plgqz.lfz
+118677 ssvqllt.ccv
+143055 zzdfcs
+$ cd hts
+$ ls
+295829 hnsrdnl.ctv
+$ cd ..
+$ cd ..
+$ cd vjpgs
+$ ls
+247444 fqg.rjw
+dir hzl
+113248 tbj
+$ cd hzl
+$ ls
+91966 ppff.qhn
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd lszhdjr
+$ ls
+290399 grzs.btl
+11125 gswg
+110268 mhdfszz.pdh
+dir mwbjshb
+dir ndtllttm
+126485 wsbpzmbq.hws
+152691 zzdfcs
+$ cd mwbjshb
+$ ls
+119607 rpgml
+$ cd ..
+$ cd ndtllttm
+$ ls
+5107 qsqqfpc.mzf
+$ cd ..
+$ cd ..
+$ cd zcj
+$ ls
+dir gftzs
+131397 ssvqllt.ccv
+dir vpqvpmv
+dir wdqw
+34540 wsbpzmbq.hws
+$ cd gftzs
+$ ls
+115531 fbjj.vrn
+$ cd ..
+$ cd vpqvpmv
+$ ls
+dir bfqpwgdc
+67619 ffbllv
+dir tzr
+$ cd bfqpwgdc
+$ ls
+144904 fqg.djq
+dir gbn
+dir jzz
+dir vtp
+$ cd gbn
+$ ls
+dir btnzjtlr
+$ cd btnzjtlr
+$ ls
+dir dzsbcqjd
+253792 fqg.fcw
+209245 fqtqsdrt.pqd
+303280 nqvqm
+271246 vchvvq.cft
+$ cd dzsbcqjd
+$ ls
+13953 tbj
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd jzz
+$ ls
+234810 ssvqllt.ccv
+$ cd ..
+$ cd vtp
+$ ls
+287225 rzqfq.pvj
+$ cd ..
+$ cd ..
+$ cd tzr
+$ ls
+135596 bbzlnjtc.fft
+dir bqfz
+dir dztgr
+306047 hnsrdnl.ctv
+248180 jzdzf
+dir lszhdjr
+dir mds
+dir nmdc
+dir qpmt
+126445 wsbpzmbq.hws
+191907 zzdfcs
+$ cd bqfz
+$ ls
+137988 fqg
+122217 lszhdjr.bwc
+232293 ssvqllt.ccv
+168937 twrtmwh.ddc
+$ cd ..
+$ cd dztgr
+$ ls
+23653 qhrp.ljh
+$ cd ..
+$ cd lszhdjr
+$ ls
+dir ghqlj
+dir qjjvfv
+dir qsjrnq
+$ cd ghqlj
+$ ls
+184316 ghshmzt.srl
+258282 nbqndwj
+dir ndd
+dir tqqlnw
+68843 trjm.mrw
+92593 wllcqzfr.mbd
+$ cd ndd
+$ ls
+152924 gvclc
+77856 llztchwp.jjd
+$ cd ..
+$ cd tqqlnw
+$ ls
+4090 flvdsc.zsv
+219378 vgwfn.zjh
+$ cd ..
+$ cd ..
+$ cd qjjvfv
+$ ls
+230606 trjm.mrw
+$ cd ..
+$ cd qsjrnq
+$ ls
+252853 fnnbmt.dtm
+279660 lszhdjr.rjc
+$ cd ..
+$ cd ..
+$ cd mds
+$ ls
+10903 jzwjv
+$ cd ..
+$ cd nmdc
+$ ls
+114234 hnsrdnl.ctv
+$ cd ..
+$ cd qpmt
+$ ls
+171542 bvrzgp
+129238 hnsrdnl.ctv
+137570 tbj
+54929 vtcfq.npn
+44117 zzdfcs
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd wdqw
+$ ls
+dir jmvsdlv
+dir mjgpdcbl
+$ cd jmvsdlv
+$ ls
+dir flnnqz
+$ cd flnnqz
+$ ls
+224693 flqpwqp.fwn
+$ cd ..
+$ cd ..
+$ cd mjgpdcbl
+$ ls
+140928 btnzjtlr.prd
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd qlnwhq
+$ ls
+dir btnzjtlr
+dir cbhr
+dir cnbssw
+dir dwvv
+dir lszhdjr
+dir rnhnbs
+dir sdhqp
+$ cd btnzjtlr
+$ ls
+225671 ssrcp.chb
+268250 tbj.cfd
+$ cd ..
+$ cd cbhr
+$ ls
+68468 qdqlml.qrj
+$ cd ..
+$ cd cnbssw
+$ ls
+dir tbj
+187921 zscs
+$ cd tbj
+$ ls
+307230 hzl
+dir jbcnnvq
+228268 lssvr.gfn
+$ cd jbcnnvq
+$ ls
+277047 nztsr
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd dwvv
+$ ls
+267743 btnzjtlr
+dir fqg
+68364 qznpsjp
+dir wdr
+230595 wsbpzmbq.hws
+206 wtwwd.jnb
+$ cd fqg
+$ ls
+260003 btnzjtlr.hjn
+103775 btnzjtlr.ndh
+200945 trjm.mrw
+dir twpplmhh
+$ cd twpplmhh
+$ ls
+dir tvrq
+$ cd tvrq
+$ ls
+298383 ssvqllt.ccv
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd wdr
+$ ls
+248357 tbj
+$ cd ..
+$ cd ..
+$ cd lszhdjr
+$ ls
+259605 lszhdjr.mvw
+$ cd ..
+$ cd rnhnbs
+$ ls
+297597 hnsrdnl.ctv
+$ cd ..
+$ cd sdhqp
+$ ls
+95362 wsbpzmbq.hws