diff --git a/2022/day07_space.py b/2022/day07_space.py
new file mode 100644
index 0000000..1e755c3
--- /dev/null
+++ b/2022/day07_space.py
@@ -0,0 +1,110 @@
+from __future__ import annotations
+
+import dataclasses
+
+
+def main(filename: str, expected_part_1: int = None, expected_part_2: int = None):
+    print(f"\n+ Running on {filename}")
+    with open(filename) as f:
+        data = f.read().strip().split("$ ")
+
+    data = parse_data(data)
+    solution_part_1 = solve_part_1(data)
+
+    print(f"1. Found {solution_part_1}")
+    if expected_part_1:
+        assert expected_part_1 == solution_part_1
+
+    solution_part_2 = solve_part_2(data)
+    print(f"2. Found {solution_part_2}")
+    if expected_part_2:
+        assert expected_part_2 == solution_part_2
+
+
+@dataclasses.dataclass
+class File:
+    name: str
+    size: int
+
+    def __str__(self):
+        return f"- {self.name} (file, size={self.size})"
+
+    def print(self, level: int = 0):
+        print(" " * level * 2 + str(self))
+
+    @property
+    def is_directory(self) -> bool:
+        return False
+
+
+@dataclasses.dataclass
+class Directory:
+    name: str
+    parent: Directory = None
+    children: list[File | Directory] = dataclasses.field(default_factory=list)
+
+    def __str__(self):
+        return f"- {self.name} (dir, size={self.size})"
+
+    def print(self, level: int = 0):
+        print(" " * level * 2 + str(self))
+        for child in self.children:
+            child.print(level + 1)
+
+    def root(self):
+        if self.parent:
+            return self.parent.root()
+        else:
+            return self
+
+    @property
+    def size(self) -> int:
+        return sum(child.size for child in self.children)
+
+    @property
+    def is_directory(self) -> bool:
+        return True
+
+
+def parse_data(commands: list[str]) -> Directory:
+    current_directory = None
+    for command in commands:
+        command, *result = command.strip().split("\n")
+        match command.split():
+            case ["cd", ".."]:
+                current_directory = current_directory.parent
+            case ["cd", dir_name]:
+                new_dir = Directory(dir_name, parent=current_directory)
+                if current_directory:
+                    current_directory.children.append(new_dir)
+                current_directory = new_dir
+            case ["ls"]:
+                for line in result:
+                    match line.split():
+                        case ["dir", _]:
+                            pass
+                        case [size, name]:
+                            current_directory.children.append(File(name, int(size)))
+
+    return current_directory.root()
+
+
+def solve_part_1(root: Directory) -> int:
+    total = 0
+    to_visit = [root]
+    while to_visit:
+        visited = to_visit.pop()
+        to_visit.extend([child for child in visited.children if child.is_directory])
+        size = visited.size
+        if size <= 100000:
+            total += size
+    return total
+
+
+def solve_part_2(root: Directory) -> int:
+    return 0
+
+
+if __name__ == "__main__":
+    main("inputs/day07-test1", expected_part_1=95437)
+    main("inputs/day07", expected_part_1=1517599)
diff --git a/2022/inputs/day07 b/2022/inputs/day07
new file mode 100644
index 0000000..a3077b9
--- /dev/null
+++ b/2022/inputs/day07
@@ -0,0 +1,1010 @@
+$ cd /
+$ ls
+dir bsnqsfm
+dir dtqvbspj
+dir hhhtrws
+dir ldmsq
+307337 pnm.slh
+dir pqcndb
+dir pwtqzwv
+212421 zcrfndg.cms
+$ cd bsnqsfm
+$ ls
+179236 lccnhn
+$ cd ..
+$ cd dtqvbspj
+$ ls
+221336 gdjfp.mfp
+273114 jjgpvcqv.jlq
+$ cd ..
+$ cd hhhtrws
+$ ls
+dir gcbg
+dir jjgpvcqv
+dir mgvdbtl
+1606 mgvdbtl.ztt
+dir qhv
+27538 wprqtd.wph
+$ cd gcbg
+$ ls
+dir bgcwh
+dir bsnqsfm
+dir jjgpvcqv
+186683 lccnhn
+dir rqbnd
+32944 zjfs.mdf
+$ cd bgcwh
+$ ls
+211273 nvns
+$ cd ..
+$ cd bsnqsfm
+$ ls
+dir bsnqsfm
+210022 dtqvbspj
+dir gpcpgfh
+189603 pnm.slh
+199755 rcsffv.gbt
+$ cd bsnqsfm
+$ ls
+292856 bsnqsfm.vww
+$ cd ..
+$ cd gpcpgfh
+$ ls
+177703 jrr.jnj
+$ cd ..
+$ cd ..
+$ cd jjgpvcqv
+$ ls
+233963 bsnqsfm.fnn
+127603 gpcpgfh.gtw
+dir jjgpvcqv
+48213 jrs.bdw
+172974 pnm.slh
+$ cd jjgpvcqv
+$ ls
+dir bqnctqvn
+dir bsnqsfm
+dir gpcpgfh
+254570 qpmnqwvl
+258040 rrvjrv.zbp
+$ cd bqnctqvn
+$ ls
+106211 bsnqsfm.pql
+299973 dtqvbspj
+dir nzrst
+$ cd nzrst
+$ ls
+dir whtfvrl
+$ cd whtfvrl
+$ ls
+12412 vzdrqs.rwt
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd bsnqsfm
+$ ls
+293832 bggllqhj.dvb
+$ cd ..
+$ cd gpcpgfh
+$ ls
+196159 jrr.jnj
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd rqbnd
+$ ls
+97630 ddjrjp
+56378 rsb
+$ cd ..
+$ cd ..
+$ cd jjgpvcqv
+$ ls
+89238 bsnqsfm.mgf
+dir dvsst
+dir gpcpgfh
+dir jjgpvcqv
+dir mhrzj
+164176 pnm.slh
+dir tmh
+dir vmwz
+$ cd dvsst
+$ ls
+286924 dtqvbspj
+252366 hcnqdmg.zst
+266562 wgfdmgmh.ptw
+$ cd ..
+$ cd gpcpgfh
+$ ls
+91199 jrs.bdw
+78761 rspd.vmj
+dir tbrbw
+dir vvm
+dir wplf
+$ cd tbrbw
+$ ls
+195696 bjd.csj
+56063 lccnhn
+193863 pnm.slh
+121918 qpd.dtq
+209757 rcsffv.gbt
+dir rmqlpvq
+$ cd rmqlpvq
+$ ls
+dir gjgfvt
+255533 lhdqqbg.fgm
+68413 qltvgnrp.gfd
+dir wqfcnlzq
+$ cd gjgfvt
+$ ls
+242867 zqbdmpb
+$ cd ..
+$ cd wqfcnlzq
+$ ls
+dir vhhscrvb
+$ cd vhhscrvb
+$ ls
+62647 rcsffv.gbt
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd vvm
+$ ls
+281698 dscllv.qwl
+14348 rmgpnprq
+$ cd ..
+$ cd wplf
+$ ls
+44465 jjgpvcqv
+248434 vpsfbjh.zsj
+$ cd ..
+$ cd ..
+$ cd jjgpvcqv
+$ ls
+dir dhfcbc
+dir jjgpvcqv
+dir ltclg
+dir ptbsgmlr
+$ cd dhfcbc
+$ ls
+224134 lccnhn
+197124 tns
+$ cd ..
+$ cd jjgpvcqv
+$ ls
+126322 jrr.jnj
+280287 jrs.bdw
+$ cd ..
+$ cd ltclg
+$ ls
+dir fdfn
+47501 jrr.jnj
+dir mgvdbtl
+24374 mgvdbtl.gll
+227751 pnm.slh
+286088 wvsfr
+$ cd fdfn
+$ ls
+32987 hmt
+$ cd ..
+$ cd mgvdbtl
+$ ls
+201629 pnm.slh
+246591 whtcjvh
+$ cd ..
+$ cd ..
+$ cd ptbsgmlr
+$ ls
+239257 rcsffv.gbt
+$ cd ..
+$ cd ..
+$ cd mhrzj
+$ ls
+279222 mgvdbtl.rzf
+214102 rvjnddbr
+$ cd ..
+$ cd tmh
+$ ls
+152958 rcsffv.gbt
+$ cd ..
+$ cd vmwz
+$ ls
+131525 bsnqsfm.djc
+122342 jrs.bdw
+$ cd ..
+$ cd ..
+$ cd mgvdbtl
+$ ls
+24916 tcsltrml
+$ cd ..
+$ cd qhv
+$ ls
+dir hncvrlbw
+153239 jwdg.wbg
+$ cd hncvrlbw
+$ ls
+178499 clmwn.ztj
+297967 jrr.jnj
+30359 sntbnf.whh
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ldmsq
+$ ls
+dir jngnzc
+dir psgrjgr
+dir rgwp
+dir rtsmnzm
+dir wsd
+$ cd jngnzc
+$ ls
+dir dzlcq
+dir gpcpgfh
+dir rlwwwngc
+dir swrlvd
+$ cd dzlcq
+$ ls
+70984 lccnhn
+$ cd ..
+$ cd gpcpgfh
+$ ls
+288159 hztmtp.fpj
+$ cd ..
+$ cd rlwwwngc
+$ ls
+173335 bsnqsfm.rtr
+292723 jrr.jnj
+175123 lccnhn
+$ cd ..
+$ cd swrlvd
+$ ls
+69589 fwrt
+$ cd ..
+$ cd ..
+$ cd psgrjgr
+$ ls
+283186 dtqvbspj.hjw
+dir fcvqsp
+104691 jrs.bdw
+286657 lccnhn
+258194 rcsffv.gbt
+$ cd fcvqsp
+$ ls
+209758 fzqmqlvs.hsc
+$ cd ..
+$ cd ..
+$ cd rgwp
+$ ls
+11060 nwg.qcg
+$ cd ..
+$ cd rtsmnzm
+$ ls
+dir rdv
+dir sdwmbsz
+dir tjwht
+$ cd rdv
+$ ls
+189234 nngdwngf.jpm
+102320 qbq
+$ cd ..
+$ cd sdwmbsz
+$ ls
+dir dfzw
+dir jbnsvcv
+dir jjgpvcqv
+140827 jjgpvcqv.cvz
+$ cd dfzw
+$ ls
+168631 dhbfr
+$ cd ..
+$ cd jbnsvcv
+$ ls
+dir bsnqsfm
+20840 lsgnjrn
+83537 lvtbqlh
+dir qfmj
+$ cd bsnqsfm
+$ ls
+74345 jrr.jnj
+$ cd ..
+$ cd qfmj
+$ ls
+dir bfvwng
+dir jjgpvcqv
+$ cd bfvwng
+$ ls
+dir qzdpp
+$ cd qzdpp
+$ ls
+dir jjgpvcqv
+$ cd jjgpvcqv
+$ ls
+207083 rchw.lgb
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd jjgpvcqv
+$ ls
+273755 dqmb
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd jjgpvcqv
+$ ls
+190922 dtqvbspj.rww
+59784 lccnhn
+293765 mwvpgtzm
+dir vtbln
+dir wph
+$ cd vtbln
+$ ls
+19558 jrs.bdw
+72791 lccnhn
+262803 pnm.slh
+40575 sbdz
+$ cd ..
+$ cd wph
+$ ls
+174151 jrr.jnj
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd tjwht
+$ ls
+dir mgvdbtl
+136586 rcsffv.gbt
+$ cd mgvdbtl
+$ ls
+dir gtmbf
+$ cd gtmbf
+$ ls
+61244 jvs.gvw
+269474 rcsffv.gbt
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd wsd
+$ ls
+275247 dtqvbspj.mjl
+dir gpcpgfh
+dir jdnfsqzd
+88516 jrr.jnj
+77096 lccnhn
+dir lspqh
+dir pfcmb
+120975 tqzmlsz
+215518 zvzhjd.ggw
+$ cd gpcpgfh
+$ ls
+217225 lccnhn
+dir qtnqzql
+$ cd qtnqzql
+$ ls
+242800 rzfvcjvh
+$ cd ..
+$ cd ..
+$ cd jdnfsqzd
+$ ls
+293894 ppdh
+310316 rcsffv.gbt
+$ cd ..
+$ cd lspqh
+$ ls
+dir pspghgw
+$ cd pspghgw
+$ ls
+105894 gpcpgfh.zht
+20657 nccmrdjv.tml
+241440 nrb.zrj
+$ cd ..
+$ cd ..
+$ cd pfcmb
+$ ls
+64751 cfnptz
+dir dmlsqf
+dir dtqvbspj
+288252 nfcdscgz
+309178 pnm.slh
+$ cd dmlsqf
+$ ls
+82960 czhbvv.fvc
+238189 dtqvbspj.mqp
+232175 lccnhn
+$ cd ..
+$ cd dtqvbspj
+$ ls
+dir fpq
+99045 jrs.bdw
+$ cd fpq
+$ ls
+98034 bnbvjg.nfq
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd pqcndb
+$ ls
+dir dtqvbspj
+dir fvrtmdg
+dir gpcpgfh
+dir jjgpvcqv
+dir mgvdbtl
+dir pftswtnl
+302354 rcsffv.gbt
+dir zwph
+$ cd dtqvbspj
+$ ls
+134541 mgvdbtl.gbr
+$ cd ..
+$ cd fvrtmdg
+$ ls
+dir gpcpgfh
+231704 gpcpgfh.cgh
+304822 jrr.jnj
+$ cd gpcpgfh
+$ ls
+64193 ztqztct.ctr
+$ cd ..
+$ cd ..
+$ cd gpcpgfh
+$ ls
+dir cmg
+129101 hqcjs.fsf
+dir jjgpvcqv
+dir lmb
+dir lzgc
+dir nqvzvfb
+dir rbh
+149226 tzgn.sqv
+257657 zbjzcn
+$ cd cmg
+$ ls
+54041 bbrbwdw.mtf
+233793 dtqvbspj.hjj
+227618 jjgpvcqv.sls
+36553 rcsffv.gbt
+dir vsjs
+$ cd vsjs
+$ ls
+199262 bsnqsfm
+dir dqpqvsfn
+dir ghw
+73538 jrs.bdw
+20726 mtfzjhc
+$ cd dqpqvsfn
+$ ls
+91215 ppfmvz
+$ cd ..
+$ cd ghw
+$ ls
+dir bwhn
+307330 jrr.jnj
+25726 pnm.slh
+$ cd bwhn
+$ ls
+dir gpcpgfh
+$ cd gpcpgfh
+$ ls
+61301 mhchvsnp.lpv
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd jjgpvcqv
+$ ls
+281936 zjfrwg
+$ cd ..
+$ cd lmb
+$ ls
+dir mmqr
+$ cd mmqr
+$ ls
+60362 mbjdfmf.wfh
+$ cd ..
+$ cd ..
+$ cd lzgc
+$ ls
+211543 rcsffv.gbt
+$ cd ..
+$ cd nqvzvfb
+$ ls
+288538 lccnhn
+224852 rcsffv.gbt
+$ cd ..
+$ cd rbh
+$ ls
+dir cwgc
+dir gpcpgfh
+dir hdmmgms
+dir jwqdv
+75165 mgvdbtl.rdd
+dir mzt
+$ cd cwgc
+$ ls
+254910 ghsbvcw.wgh
+$ cd ..
+$ cd gpcpgfh
+$ ls
+8668 lccnhn
+145750 mcpd
+265522 rcsffv.gbt
+$ cd ..
+$ cd hdmmgms
+$ ls
+dir dtqvbspj
+dir gpcpgfh
+203642 jrs.bdw
+19047 rcsffv.gbt
+215131 tbdf
+dir tgqbtw
+$ cd dtqvbspj
+$ ls
+46484 hjztnq
+14784 tmmf.ggs
+$ cd ..
+$ cd gpcpgfh
+$ ls
+123990 jrs.bdw
+52381 mgvdbtl
+130292 rrqp.pmz
+$ cd ..
+$ cd tgqbtw
+$ ls
+dir bsnqsfm
+dir nnn
+$ cd bsnqsfm
+$ ls
+279305 mgvdbtl.mhc
+$ cd ..
+$ cd nnn
+$ ls
+181320 jjgpvcqv.zcn
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd jwqdv
+$ ls
+306471 jjgpvcqv.jbv
+$ cd ..
+$ cd mzt
+$ ls
+159120 wcfjbfsb.vlq
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd jjgpvcqv
+$ ls
+dir drmmqldt
+dir jjgpvcqv
+235210 jjnbtgh
+116214 lccnhn
+dir mzj
+dir qcclcdd
+dir rtnnjct
+dir trgbfqb
+$ cd drmmqldt
+$ ls
+dir bsnqsfm
+dir gpcpgfh
+dir jjgpvcqv
+$ cd bsnqsfm
+$ ls
+200217 gpcpgfh.bmf
+$ cd ..
+$ cd gpcpgfh
+$ ls
+183548 jjgpvcqv.cgs
+119367 rcsffv.gbt
+$ cd ..
+$ cd jjgpvcqv
+$ ls
+dir bzhsjfq
+dir lptnp
+$ cd bzhsjfq
+$ ls
+37713 pnm.slh
+$ cd ..
+$ cd lptnp
+$ ls
+150154 jjgpvcqv.jpt
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd jjgpvcqv
+$ ls
+dir csvpf
+$ cd csvpf
+$ ls
+96915 bdsqr.ptg
+15712 gpcpgfh.hbw
+13419 pnm.slh
+23191 vhzngpw.bdp
+$ cd ..
+$ cd ..
+$ cd mzj
+$ ls
+216100 fblqpwgd.rmb
+$ cd ..
+$ cd qcclcdd
+$ ls
+67202 bdz.flj
+51451 dtqvbspj
+dir mgvdbtl
+36642 rhc.qtg
+252808 slqzl.hgz
+$ cd mgvdbtl
+$ ls
+dir dtqvbspj
+$ cd dtqvbspj
+$ ls
+142184 pnm.slh
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd rtnnjct
+$ ls
+dir bsnqsfm
+dir dtqvbspj
+dir ftlr
+dir grpln
+dir wtjfbzjq
+$ cd bsnqsfm
+$ ls
+dir gbp
+$ cd gbp
+$ ls
+dir gpcpgfh
+$ cd gpcpgfh
+$ ls
+157447 msdhpv
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd dtqvbspj
+$ ls
+dir fbpz
+dir mgvdbtl
+$ cd fbpz
+$ ls
+118001 zzffss.qdv
+$ cd ..
+$ cd mgvdbtl
+$ ls
+dir gtbpnhhm
+dir rvjdhdvf
+$ cd gtbpnhhm
+$ ls
+115199 mgvdbtl.zhd
+307710 pbqqz.dvg
+$ cd ..
+$ cd rvjdhdvf
+$ ls
+192704 lccnhn
+49374 qsv.nzw
+dir vnlq
+$ cd vnlq
+$ ls
+dir zwtwvdb
+$ cd zwtwvdb
+$ ls
+99356 cqfppfg.cwl
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ftlr
+$ ls
+dir fdm
+$ cd fdm
+$ ls
+dir pdzbthz
+$ cd pdzbthz
+$ ls
+dir gmpzrfv
+286299 gmvg
+32579 jrr.jnj
+$ cd gmpzrfv
+$ ls
+44930 tfwc.sjb
+76143 wtwpz
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd grpln
+$ ls
+dir thsbgczd
+dir vdmt
+$ cd thsbgczd
+$ ls
+231385 lccnhn
+$ cd ..
+$ cd vdmt
+$ ls
+dir qzwzwlpr
+$ cd qzwzwlpr
+$ ls
+119862 qbpglhp.pmz
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd wtjfbzjq
+$ ls
+308656 cvjrn.mmz
+107735 mgvdbtl.pjv
+$ cd ..
+$ cd ..
+$ cd trgbfqb
+$ ls
+59890 jrr.jnj
+dir mhhbp
+$ cd mhhbp
+$ ls
+dir bsnqsfm
+dir hvjtmr
+$ cd bsnqsfm
+$ ls
+80555 trsl.zjm
+$ cd ..
+$ cd hvjtmr
+$ ls
+78682 cgjqlrw
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd mgvdbtl
+$ ls
+85693 bsnqsfm.jft
+dir gpcpgfh
+136814 gvfz
+243282 jjgpvcqv.phc
+23472 mrq
+dir tdnhp
+188849 ztrvjzw.gjj
+$ cd gpcpgfh
+$ ls
+dir bfjb
+172798 blt
+dir dtqvbspj
+dir lwtj
+$ cd bfjb
+$ ls
+9385 fhgqhrnq
+$ cd ..
+$ cd dtqvbspj
+$ ls
+dir zrtpvzh
+$ cd zrtpvzh
+$ ls
+115949 gjcpswqv.tqg
+$ cd ..
+$ cd ..
+$ cd lwtj
+$ ls
+269246 dtqvbspj.tmv
+106980 jrr.jnj
+20735 ldjswqtb.plp
+$ cd ..
+$ cd ..
+$ cd tdnhp
+$ ls
+25816 lccnhn
+$ cd ..
+$ cd ..
+$ cd pftswtnl
+$ ls
+60146 blg.vhz
+dir cjzl
+dir mgvdbtl
+165072 mgvdbtl.cvq
+dir rdhdqvm
+dir swgdh
+dir tgwws
+101085 wtvlsbbf
+139565 zfhlb.fmg
+$ cd cjzl
+$ ls
+51636 hmwmvgg
+$ cd ..
+$ cd mgvdbtl
+$ ls
+dir dtlr
+118691 pjjfwhwj
+74684 rcsffv.gbt
+253814 rgmn.csn
+$ cd dtlr
+$ ls
+43065 dtqvbspj
+$ cd ..
+$ cd ..
+$ cd rdhdqvm
+$ ls
+103093 bsnqsfm.rjd
+5514 lccnhn
+$ cd ..
+$ cd swgdh
+$ ls
+dir dwznjd
+230643 jjgpvcqv
+296232 ltnlhbln.bqp
+dir mgvdbtl
+dir nbpdfrv
+199830 rcsffv.gbt
+$ cd dwznjd
+$ ls
+138849 jrs.bdw
+240327 mgvdbtl
+$ cd ..
+$ cd mgvdbtl
+$ ls
+293382 dgrzgpr
+218657 jjgpvcqv.lwt
+dir pbw
+125455 rcsffv.gbt
+$ cd pbw
+$ ls
+242621 tnt.zbl
+$ cd ..
+$ cd ..
+$ cd nbpdfrv
+$ ls
+297826 nfqbq.zfg
+183227 qvr
+148665 rcsffv.gbt
+$ cd ..
+$ cd ..
+$ cd tgwws
+$ ls
+dir bhr
+dir gpcpgfh
+$ cd bhr
+$ ls
+dir wfjfvb
+$ cd wfjfvb
+$ ls
+dir jgfbpwjh
+13720 lwnz
+38140 wrgb.ntr
+$ cd jgfbpwjh
+$ ls
+207048 cbtdqb
+176591 mgvdbtl
+311612 nwflw.mmp
+92978 pwrrz
+273467 rnzzs.wrr
+dir vsmgcv
+$ cd vsmgcv
+$ ls
+dir dpdmspz
+$ cd dpdmspz
+$ ls
+dir bsnqsfm
+$ cd bsnqsfm
+$ ls
+197093 wzqlhhpv.lgb
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd gpcpgfh
+$ ls
+98093 lccnhn
+208835 llplrrr.jrp
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd zwph
+$ ls
+dir cmznd
+$ cd cmznd
+$ ls
+dir zhhm
+$ cd zhhm
+$ ls
+204738 rjh.qjf
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd pwtqzwv
+$ ls
+21382 gbcccm.jdc
+dir hthq
+dir jcsmcf
+dir jjgpvcqv
+262556 mgvdbtl.vrm
+dir twrjfd
+dir zzclqz
+$ cd hthq
+$ ls
+dir dtqvbspj
+dir mgvdbtl
+dir wgcss
+$ cd dtqvbspj
+$ ls
+35525 gpcpgfh.wpc
+4808 jjgpvcqv
+dir lrvftwzb
+dir nzvbpcwd
+$ cd lrvftwzb
+$ ls
+92705 rcsffv.gbt
+33209 wvthcng.qlf
+$ cd ..
+$ cd nzvbpcwd
+$ ls
+dir tzvclhw
+$ cd tzvclhw
+$ ls
+251094 gpcpgfh.bpj
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd mgvdbtl
+$ ls
+229319 hvzhcpr.dbc
+301679 lrvlp.bnl
+157154 pjq
+129501 sgqsjl
+$ cd ..
+$ cd wgcss
+$ ls
+37019 fpmmqmv
+286113 gpcpgfh.mrm
+dir jjgpvcqv
+132664 lccnhn
+194995 pnm.slh
+$ cd jjgpvcqv
+$ ls
+116833 pnm.slh
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd jcsmcf
+$ ls
+146144 jjgpvcqv.jvj
+$ cd ..
+$ cd jjgpvcqv
+$ ls
+dir gdrqbn
+dir nwbqdd
+$ cd gdrqbn
+$ ls
+149865 bsnqsfm.zjh
+1714 jjgpvcqv.lwq
+$ cd ..
+$ cd nwbqdd
+$ ls
+14359 bsnqsfm
+77969 dpqt.lph
+285861 dtqvbspj.svq
+dir gpcpgfh
+156597 hhsfwctl.hng
+15497 mgvdbtl
+$ cd gpcpgfh
+$ ls
+275833 gpcpgfh.hdd
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd twrjfd
+$ ls
+302115 gpcpgfh.zcb
+dir gqlqnpvm
+20848 rcsffv.gbt
+$ cd gqlqnpvm
+$ ls
+123135 gpcpgfh
+57433 gpcpgfh.zfp
+$ cd ..
+$ cd ..
+$ cd zzclqz
+$ ls
+217719 vcq.flg
diff --git a/2022/inputs/day07-test1 b/2022/inputs/day07-test1
new file mode 100644
index 0000000..09a921e
--- /dev/null
+++ b/2022/inputs/day07-test1
@@ -0,0 +1,23 @@
+$ cd /
+$ ls
+dir a
+14848514 b.txt
+8504156 c.dat
+dir d
+$ cd a
+$ ls
+dir e
+29116 f
+2557 g
+62596 h.lst
+$ cd e
+$ ls
+584 i
+$ cd ..
+$ cd ..
+$ cd d
+$ ls
+4060174 j
+8033020 d.log
+5626152 d.ext
+7214296 k