Day 7

3 files changed, 1283 insertions, 0 deletions

diff --git a/day7/__init__.py b/day7/__init__.py
new file mode 100644
index 0000000..279201a
--- /dev/null
+++ b/day7/__init__.py
@@ -0,0 +1,181 @@
+# -*- coding: utf-8 -*-
+from abc import ABC
+from dataclasses import dataclass, field
+from enum import Enum
+from typing import Set, List, Optional, Tuple, Dict, Iterator, Any
+
+from aoc import BaseAssignment
+
+
+class Action(Enum):
+    ls = "ls"
+    cd = "cd"
+
+
+@dataclass(kw_only=True)
+class Command:
+    action: Tuple[Action, List[str]]
+    output: Optional[List[str]]
+
+    @classmethod
+    def from_input(cls, input: str) -> "Command":
+        action, *args = input[2:].split(" ")
+
+        return Command(action=(Action(action), args), output=[])
+
+
+@dataclass(kw_only=True)
+class Inode(ABC):
+    name: str
+    parent: "Folder" = None
+    size: int = NotImplemented
+
+
+@dataclass(kw_only=True)
+class Folder(Inode):
+    children: Dict[str, Inode] = field(default_factory=dict)
+
+    @property
+    def size(self) -> int:
+        return sum([inode.size for inode in self.children.values()])
+
+    @size.setter
+    def size(self, value: int):
+        pass
+
+    def __iter__(self):
+        yield self
+
+        for inode in self.children.values():
+            if isinstance(inode, Folder):
+                for item in iter(inode):
+                    yield item
+            else:
+                yield inode
+
+
+@dataclass(kw_only=True)
+class File(Inode):
+    pass
+
+
+@dataclass
+class FileSystem:
+    current: Folder = None
+    root: Folder = field(default_factory=lambda: Folder(name="/"))
+
+    capacity = 70000000
+
+    @classmethod
+    def from_commands(cls, commands: List[Command]) -> "FileSystem":
+        file_system = cls()
+
+        for command in commands:
+            file_system.parse_command(command)
+
+        return file_system
+
+    def __post_init__(self):
+        self.current = self.root
+
+    def parse_command(self, command: Command):
+        match command.action:
+            case [Action.ls, _]:
+                self.create_inodes(command.output or [])
+            case [Action.cd, arguments]:
+                self.change_directory(*arguments)
+
+    def create_inodes(self, inodes: List[str]):
+        for item in inodes:
+            size, name = item.split(" ")
+
+            inode = (
+                Folder(name=name, parent=self.current)
+                if size == "dir"
+                else File(name=name, parent=self.current, size=int(size))
+            )
+
+            if name in self.current.children:
+                raise Exception(f"File/Folder already exists {name}")
+
+            self.current.children[name] = inode
+
+    def change_directory(self, name: str):
+        match name:
+            case "..":
+                new_dir = self.current.parent
+            case "/":
+                new_dir = self.root
+            case name:
+                new_dir = self.current.children.get(name)
+
+        if new_dir is None or isinstance(new_dir, File):
+            raise Exception(f"No such folder {name}")
+
+        self.current = new_dir
+
+    def __iter__(self):
+        return iter(self.root)
+
+    @property
+    def free_space(self):
+        return self.capacity - self.root.size
+
+
+class Assignment(BaseAssignment, ABC):
+    @staticmethod
+    def parse_terminal_output(output: Iterator[str]) -> List[Command]:
+        commands = []
+        command = None
+
+        for item in output:
+            if item.startswith("$"):
+                if command is not None:
+                    commands.append(command)
+
+                command = Command.from_input(item)
+            else:
+                command.output.append(item)
+
+        if command is not None:
+            commands.append(command)
+
+        return commands
+
+
+class AssignmentOne(Assignment):
+    example_result = 95437
+
+    def run(self, input: Iterator) -> Any:
+        commands = self.parse_terminal_output(input)
+        file_system = FileSystem.from_commands(commands)
+
+        items = [
+            inode.size
+            for inode in file_system
+            if isinstance(inode, Folder) and inode.name != "/" and inode.size <= 100000
+        ]
+
+        return sum(items)
+
+
+class AssignmentTwo(Assignment):
+    example_result = 24933642
+
+    def run(self, input: Iterator) -> Any:
+        commands = self.parse_terminal_output(input)
+        file_system = FileSystem.from_commands(commands)
+
+        update_size = 30000000
+        space_to_free = update_size - file_system.free_space
+
+        eligible_for_deletion = sorted(
+            [
+                inode
+                for inode in file_system
+                if isinstance(inode, Folder) and inode.size >= space_to_free
+            ],
+            key=lambda node: node.size,
+        )
+
+        return eligible_for_deletion[0].size
diff --git a/day7/example.txt b/day7/example.txt
new file mode 100644
index 0000000..09a921e
--- /dev/null
+++ b/day7/example.txt
@@ -0,0 +1,23 @@
+$ 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
diff --git a/day7/input.txt b/day7/input.txt
new file mode 100644
index 0000000..8f22e2f
--- /dev/null
+++ b/day7/input.txt
@@ -0,0 +1,1079 @@
+$ cd /
+$ ls
+dir dpbwg
+dir dvwfscw
+dir hccpl
+dir jsgbg
+dir lhjmzsl
+63532 mwvbpw.mmg
+239480 npj
+dir pngs
+dir qhs
+303649 shvgmwn.vhv
+236905 sjrrgd.phh
+dir sntcp
+dir sqs
+$ cd dpbwg
+$ ls
+dir dgh
+100731 dpbwg
+dir rpwnv
+$ cd dgh
+$ ls
+197049 lhjmzsl.hzj
+$ cd ..
+$ cd rpwnv
+$ ls
+10702 qsgv.fmf
+$ cd ..
+$ cd ..
+$ cd dvwfscw
+$ ls
+dir bvg
+dir fbfjs
+115450 gjftb.mgd
+dir gsmnprgz
+dir hdwdcvv
+dir mhjtrlqz
+75437 qsctddrw
+171722 qsgv.zqz
+$ cd bvg
+$ ls
+56335 cgtzb.szt
+139481 shvgmwn.vhv
+255200 wzqlgr.mhl
+$ cd ..
+$ cd fbfjs
+$ ls
+252977 hmcj
+256083 mbgfn.pmh
+dir qsgv
+$ cd qsgv
+$ ls
+271506 dchsdfz.bbg
+202650 hmcj
+32623 lqgmfcp
+57614 mgp.fbn
+220895 qwzqrrq.wjf
+$ cd ..
+$ cd ..
+$ cd gsmnprgz
+$ ls
+dir dzcsldzw
+dir hrjmfd
+dir lcwv
+dir sdp
+62355 zrncdmd.lmj
+$ cd dzcsldzw
+$ ls
+dir hmcj
+$ cd hmcj
+$ ls
+151947 hgtzldbg
+$ cd ..
+$ cd ..
+$ cd hrjmfd
+$ ls
+dir drjlhbqf
+65599 npj
+$ cd drjlhbqf
+$ ls
+263623 hzfmzs.mlj
+13866 npj
+173713 wtnf.qps
+$ cd ..
+$ cd ..
+$ cd lcwv
+$ ls
+44150 hmcj.lds
+200694 mpbb
+$ cd ..
+$ cd sdp
+$ ls
+dir gcwjj
+dir qzdczvwn
+$ cd gcwjj
+$ ls
+149603 qsgv.srr
+$ cd ..
+$ cd qzdczvwn
+$ ls
+dir gnvbm
+291187 hmcj.rgm
+dir msdt
+dir mwvbpw
+dir shpr
+$ cd gnvbm
+$ ls
+259516 dpbwg
+120868 mpbb
+dir vqrcd
+$ cd vqrcd
+$ ls
+306804 fqqg
+34290 mtctcdgd.nmb
+$ cd ..
+$ cd ..
+$ cd msdt
+$ ls
+168438 mpbb
+67435 nbqcrdjs
+$ cd ..
+$ cd mwvbpw
+$ ls
+dir btzqzvbl
+308719 npj
+$ cd btzqzvbl
+$ ls
+177311 bdnrf.jtw
+122356 qwhmd.vcd
+169153 vzzzccg.hlb
+$ cd ..
+$ cd ..
+$ cd shpr
+$ ls
+290591 nblzc.nmp
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd hdwdcvv
+$ ls
+96864 hmcj.tjn
+$ cd ..
+$ cd mhjtrlqz
+$ ls
+dir bzrbsfjp
+238772 fpggqqj
+dir hqzgs
+20155 shvgmwn.vhv
+$ cd bzrbsfjp
+$ ls
+313691 fnscbhfc
+17630 llwfdzgg.bsp
+dir lthr
+$ cd lthr
+$ ls
+237053 bhbbzt.bmt
+$ cd ..
+$ cd ..
+$ cd hqzgs
+$ ls
+295258 gllsgr.nnz
+70743 ptpqd
+dir rnmsdpmj
+205022 rpqh.rpn
+158287 tsm.tdq
+154025 wmfwr.bcm
+$ cd rnmsdpmj
+$ ls
+218043 dpbwg.mls
+149072 mbgfn.pmh
+89388 mwvbpw.qfm
+57207 rszcvm.mqc
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd hccpl
+$ ls
+dir blqdjh
+dir hfqw
+dir qsgv
+$ cd blqdjh
+$ ls
+dir fbpg
+$ cd fbpg
+$ ls
+231357 dpbwg
+$ cd ..
+$ cd ..
+$ cd hfqw
+$ ls
+210898 fjblghm.gtg
+286252 hmcj.dgz
+258768 mpbb
+225743 qsgv.pqf
+191717 shvgmwn.vhv
+$ cd ..
+$ cd qsgv
+$ ls
+dir bslqpr
+dir dpbwg
+dir lhjmzsl
+210707 npj
+64435 qhpnrbhq
+dir rpj
+301426 shvgmwn.vhv
+dir stbgbrw
+dir vhzmg
+$ cd bslqpr
+$ ls
+4365 dpbwg
+dir fpj
+dir lhjmzsl
+dir lncmt
+dir mwvbpw
+35725 ncbjtpcb.svf
+dir njhsmb
+dir rjzsddlw
+41533 shvgmwn.vhv
+$ cd fpj
+$ ls
+88146 dpbwg
+$ cd ..
+$ cd lhjmzsl
+$ ls
+57400 fzngdsh.sbn
+198711 mnqz.npt
+$ cd ..
+$ cd lncmt
+$ ls
+192228 qsgv.jss
+$ cd ..
+$ cd mwvbpw
+$ ls
+65217 hmcj.drs
+$ cd ..
+$ cd njhsmb
+$ ls
+157177 dpbwg.wsl
+10919 jhfs
+$ cd ..
+$ cd rjzsddlw
+$ ls
+dir cftp
+dir flcfwml
+dir vpdbl
+$ cd cftp
+$ ls
+89075 dpbwg
+57259 mbgfn.pmh
+237771 zwglrhh
+$ cd ..
+$ cd flcfwml
+$ ls
+51498 pbbgmqn.gfg
+$ cd ..
+$ cd vpdbl
+$ ls
+98690 npj
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd dpbwg
+$ ls
+dir wlmdbjh
+$ cd wlmdbjh
+$ ls
+dir pmldd
+245468 rdgldw.tzb
+$ cd pmldd
+$ ls
+145032 mwvbpw.tpc
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd lhjmzsl
+$ ls
+233642 dpbwg.tbq
+dir frsggjl
+dir hmcj
+dir jmhzlq
+dir jvdtpzd
+251765 npj
+169647 shvgmwn.vhv
+$ cd frsggjl
+$ ls
+dir dshv
+dir fqvpc
+dir lhjmzsl
+313045 npj
+dir rngqmwgr
+$ cd dshv
+$ ls
+dir pptfqn
+85609 wpgz
+dir zfmqls
+$ cd pptfqn
+$ ls
+258817 mtctcdgd.nmb
+39899 npj
+$ cd ..
+$ cd zfmqls
+$ ls
+119006 hlw.mzg
+295107 wstvdqn.wgw
+$ cd ..
+$ cd ..
+$ cd fqvpc
+$ ls
+dir pqpf
+$ cd pqpf
+$ ls
+312566 mpbb
+$ cd ..
+$ cd ..
+$ cd lhjmzsl
+$ ls
+157261 dpbwg.bgc
+76700 mpbb
+$ cd ..
+$ cd rngqmwgr
+$ ls
+42626 dpbwg.dtt
+78765 gjsnmzn.fzb
+$ cd ..
+$ cd ..
+$ cd hmcj
+$ ls
+166183 jntzn
+dir qsgv
+254851 rbcgrdr.vqp
+$ cd qsgv
+$ ls
+256449 dhj.mrm
+49207 fbrhl
+69922 lhjmzsl
+121778 tpdvnb
+$ cd ..
+$ cd ..
+$ cd jmhzlq
+$ ls
+dir bbpqsf
+245813 ftw.jwq
+$ cd bbpqsf
+$ ls
+169373 mwvbpw.tjt
+$ cd ..
+$ cd ..
+$ cd jvdtpzd
+$ ls
+dir brfln
+dir dpbwg
+263586 fsqzfhj.bzh
+85956 lhjmzsl
+dir mwvbpw
+dir tcgwhp
+91473 vjgt.twz
+200413 zlnnrrpn.qqd
+$ cd brfln
+$ ls
+65066 fpvnm
+$ cd ..
+$ cd dpbwg
+$ ls
+dir jtqwgc
+dir lrdjdqn
+281885 mpbb
+$ cd jtqwgc
+$ ls
+219022 spbqn
+$ cd ..
+$ cd lrdjdqn
+$ ls
+116830 hmcj.ptr
+dir mwvbpw
+$ cd mwvbpw
+$ ls
+251737 ccqlb
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd mwvbpw
+$ ls
+226329 fztjpfb
+$ cd ..
+$ cd tcgwhp
+$ ls
+dir grmsl
+$ cd grmsl
+$ ls
+dir hmcj
+197995 wzqlr.fqj
+$ cd hmcj
+$ ls
+239775 mbgfn.pmh
+dir rrvccjp
+95381 shvgmwn.vhv
+$ cd rrvccjp
+$ ls
+dir qsgv
+$ cd qsgv
+$ ls
+192956 mtctcdgd.nmb
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd rpj
+$ ls
+dir bwc
+dir ctjwjlzc
+dir dpbwg
+dir lhjmzsl
+249767 npj
+dir wqmlz
+$ cd bwc
+$ ls
+56181 hmcj.dhd
+105111 hvw
+63869 rqw.srq
+8030 shvgmwn.vhv
+dir stff
+$ cd stff
+$ ls
+dir gsjsc
+$ cd gsjsc
+$ ls
+514 mtctcdgd.nmb
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ctjwjlzc
+$ ls
+39823 qjgnjm.hzn
+$ cd ..
+$ cd dpbwg
+$ ls
+dir lhqrjr
+$ cd lhqrjr
+$ ls
+179949 tmvl.zqf
+$ cd ..
+$ cd ..
+$ cd lhjmzsl
+$ ls
+305735 shvgmwn.vhv
+$ cd ..
+$ cd wqmlz
+$ ls
+141757 fstftggh
+$ cd ..
+$ cd ..
+$ cd stbgbrw
+$ ls
+196003 dpbwg.shs
+dir gbr
+104091 hmcj
+232145 lhjmzsl.nnc
+dir lhv
+dir qqqbtpq
+51208 qsgv.dbm
+235090 vbpzgnr
+dir vqmnsdrt
+$ cd gbr
+$ ls
+101809 npj
+121922 pcqrmmlt.ghh
+125915 ptffhc
+128293 wdz.nsd
+$ cd ..
+$ cd lhv
+$ ls
+75506 qtwlnvv.nbm
+28413 rbwbp
+$ cd ..
+$ cd qqqbtpq
+$ ls
+96300 gdf
+$ cd ..
+$ cd vqmnsdrt
+$ ls
+146229 mwvbpw.qrc
+189540 plldv.vtv
+dir rtng
+$ cd rtng
+$ ls
+42730 hrbs.zpc
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd vhzmg
+$ ls
+dir dcmjvhtt
+dir dpbwg
+$ cd dcmjvhtt
+$ ls
+85508 hhlctr.bbs
+296657 lhjmzsl.zjt
+255803 mbgfn.pmh
+170803 mtctcdgd.nmb
+$ cd ..
+$ cd dpbwg
+$ ls
+156142 hmcj
+dir lhjmzsl
+$ cd lhjmzsl
+$ ls
+13590 mtctcdgd.nmb
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd jsgbg
+$ ls
+202682 hmcj.tbl
+$ cd ..
+$ cd lhjmzsl
+$ ls
+197308 lhjmzsl
+$ cd ..
+$ cd pngs
+$ ls
+115979 hfpzqf.hjw
+dir lhjmzsl
+125414 mpbb
+dir mwbffchr
+$ cd lhjmzsl
+$ ls
+55108 hwhsjr
+$ cd ..
+$ cd mwbffchr
+$ ls
+249138 czv.lgd
+$ cd ..
+$ cd ..
+$ cd qhs
+$ ls
+108106 ccmhjzp.ppf
+197911 shvgmwn.vhv
+$ cd ..
+$ cd sntcp
+$ ls
+dir cvgtwsbw
+dir dpbwg
+dir dqbzfcq
+dir gfvtsjmz
+dir ljsmjsp
+dir mwvbpw
+dir phfqzwp
+dir rpsnfndl
+dir rrqwcbqm
+dir rtv
+dir vnvft
+dir vqcvbncp
+dir vsgjds
+$ cd cvgtwsbw
+$ ls
+dir bprbr
+dir bpw
+dir dpbwg
+dir jvjs
+dir mwvbpw
+dir nbfzn
+dir pcr
+dir rhgltw
+$ cd bprbr
+$ ls
+126107 dpbwg.jqq
+140931 ljhc.gsm
+120326 pnjv
+dir wbrb
+$ cd wbrb
+$ ls
+28887 ccr.rvd
+dir gwfpgws
+77898 mwvbpw.qrc
+280487 pbfbtb.qjp
+$ cd gwfpgws
+$ ls
+205904 dgm
+313203 vpgzr.jfw
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd bpw
+$ ls
+dir lgstpgrn
+173334 npj
+$ cd lgstpgrn
+$ ls
+dir rngr
+$ cd rngr
+$ ls
+291856 czjz.fzp
+246123 mpbb
+200301 qqfvpnz
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd dpbwg
+$ ls
+265739 mtctcdgd.nmb
+dir mwvbpw
+76505 ntjn.mnp
+227157 pqznms
+312879 qzlmsht
+$ cd mwvbpw
+$ ls
+144523 dpbwg.lgr
+39441 mmtrnzqw.mnv
+285772 mpbb
+306936 rpmgcmqd.qht
+$ cd ..
+$ cd ..
+$ cd jvjs
+$ ls
+51134 lsnvhd.gsj
+$ cd ..
+$ cd mwvbpw
+$ ls
+125428 hmcj.bvd
+40162 npj
+117658 pmzfj.crj
+$ cd ..
+$ cd nbfzn
+$ ls
+11429 mwvbpw.swl
+5582 qsgv.jrm
+$ cd ..
+$ cd pcr
+$ ls
+dir dpbwg
+95858 mtctcdgd.nmb
+$ cd dpbwg
+$ ls
+dir wmsb
+$ cd wmsb
+$ ls
+154498 npj
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd rhgltw
+$ ls
+188447 qsgv.rzs
+$ cd ..
+$ cd ..
+$ cd dpbwg
+$ ls
+261326 cjfszwr
+88528 glp.fgc
+dir lhjmzsl
+270470 shvgmwn.vhv
+310081 vdhmgb
+dir wsc
+$ cd lhjmzsl
+$ ls
+245410 dnnfljbs
+$ cd ..
+$ cd wsc
+$ ls
+dir lhjmzsl
+311302 mbs.tqc
+309985 mpbb
+dir qgpqzr
+20812 vhcc.wpw
+$ cd lhjmzsl
+$ ls
+dir dpbwg
+$ cd dpbwg
+$ ls
+273340 fmvbcphl.crp
+$ cd ..
+$ cd ..
+$ cd qgpqzr
+$ ls
+dir fdwgdhrf
+$ cd fdwgdhrf
+$ ls
+275421 mtctcdgd.nmb
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd dqbzfcq
+$ ls
+30930 njnz
+$ cd ..
+$ cd gfvtsjmz
+$ ls
+290134 mbgfn.pmh
+154689 vql
+$ cd ..
+$ cd ljsmjsp
+$ ls
+59894 hwggw.rpd
+26336 mbgfn.pmh
+dir mvzchpq
+dir mwvbpw
+122061 zlcr.jsw
+$ cd mvzchpq
+$ ls
+294618 lhjmzsl.bqm
+dir mwvbpw
+204294 nljhbh.cfc
+79337 ntvt.dbw
+$ cd mwvbpw
+$ ls
+dir njwcqcjh
+309971 nqdv.vmp
+$ cd njwcqcjh
+$ ls
+155159 mtctcdgd.nmb
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd mwvbpw
+$ ls
+43451 lhjmzsl.vjt
+$ cd ..
+$ cd ..
+$ cd mwvbpw
+$ ls
+3144 phvjzs.prf
+$ cd ..
+$ cd phfqzwp
+$ ls
+dir hmcj
+dir hnnrw
+196279 lhjmzsl
+90948 mwvbpw.hvm
+275082 shvgmwn.vhv
+$ cd hmcj
+$ ls
+4346 mtctcdgd.nmb
+$ cd ..
+$ cd hnnrw
+$ ls
+dir lhjmzsl
+103070 qsbrf.tpv
+dir rdf
+$ cd lhjmzsl
+$ ls
+158692 dpbwg.bvl
+$ cd ..
+$ cd rdf
+$ ls
+dir gpj
+dir lbgpm
+$ cd gpj
+$ ls
+136508 shvgmwn.vhv
+$ cd ..
+$ cd lbgpm
+$ ls
+154457 ccpvr
+232065 lhjmzsl
+43787 npj
+189920 rpgmvv
+96362 tlmvpc
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd rpsnfndl
+$ ls
+dir pcbtmcwf
+$ cd pcbtmcwf
+$ ls
+dir qsgv
+$ cd qsgv
+$ ls
+45662 npj
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd rrqwcbqm
+$ ls
+dir vjm
+$ cd vjm
+$ ls
+263137 npj
+$ cd ..
+$ cd ..
+$ cd rtv
+$ ls
+dir lhjmzsl
+dir pcwsn
+dir qsgv
+dir vvzbsg
+$ cd lhjmzsl
+$ ls
+dir qzsjhsfn
+$ cd qzsjhsfn
+$ ls
+26909 mbgfn.pmh
+$ cd ..
+$ cd ..
+$ cd pcwsn
+$ ls
+160033 ftz.nbg
+145165 wgdjsgsb.hhm
+$ cd ..
+$ cd qsgv
+$ ls
+dir jqm
+136209 mbgfn.pmh
+79664 mghdlnh.chv
+$ cd jqm
+$ ls
+222831 npj
+$ cd ..
+$ cd ..
+$ cd vvzbsg
+$ ls
+84246 dpbwg.tsq
+$ cd ..
+$ cd ..
+$ cd vnvft
+$ ls
+dir crqrl
+dir scdvzsd
+$ cd crqrl
+$ ls
+13185 dpbwg.twz
+109021 qcdqnhg.jjj
+$ cd ..
+$ cd scdvzsd
+$ ls
+dir hmcj
+$ cd hmcj
+$ ls
+252155 npj
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd vqcvbncp
+$ ls
+72128 crnhb
+dir ddz
+dir dvhzvdn
+dir ffsbcmg
+dir gfs
+dir jghlb
+dir llq
+dir pvn
+dir rvqmmjgr
+$ cd ddz
+$ ls
+232302 gdfqpnj.nhf
+274940 lhjmzsl.mzv
+286217 mpbb
+$ cd ..
+$ cd dvhzvdn
+$ ls
+273183 cfnqn.qpz
+$ cd ..
+$ cd ffsbcmg
+$ ls
+6544 mtctcdgd.nmb
+52511 wndzt.lqb
+$ cd ..
+$ cd gfs
+$ ls
+228312 mwvbpw.tdj
+dir rqjrfzgt
+62100 shc.rtj
+313984 szsplzq.dpd
+dir tqtnp
+$ cd rqjrfzgt
+$ ls
+296460 bvp
+272324 mbgfn.pmh
+221044 npj
+110232 qvcszzv
+$ cd ..
+$ cd tqtnp
+$ ls
+98376 tzwh
+212247 wzjj.scp
+$ cd ..
+$ cd ..
+$ cd jghlb
+$ ls
+dir ddrmsv
+$ cd ddrmsv
+$ ls
+252143 mbgfn.pmh
+$ cd ..
+$ cd ..
+$ cd llq
+$ ls
+dir lhjmzsl
+67341 mbgfn.pmh
+155159 npj
+dir qsgv
+dir vcvnzc
+$ cd lhjmzsl
+$ ls
+151930 ssldrsf.mzm
+$ cd ..
+$ cd qsgv
+$ ls
+233702 ztdmtqb.mhf
+$ cd ..
+$ cd vcvnzc
+$ ls
+168179 lhjmzsl.cwf
+$ cd ..
+$ cd ..
+$ cd pvn
+$ ls
+240160 lbd.slf
+$ cd ..
+$ cd rvqmmjgr
+$ ls
+24809 gwgcrzp.zhj
+dir hmcj
+dir lhjmzsl
+dir mwvbpw
+121997 nbmf
+77886 ntp
+dir qcqrgdm
+$ cd hmcj
+$ ls
+126073 dpbwg.lhh
+dir jchccghv
+dir lhjmzsl
+144075 qsgv.lbw
+288076 swrngbsq.qzw
+$ cd jchccghv
+$ ls
+310277 mpbb
+$ cd ..
+$ cd lhjmzsl
+$ ls
+193576 bwsz.crv
+16002 mbgfn.pmh
+57961 mtctcdgd.nmb
+$ cd ..
+$ cd ..
+$ cd lhjmzsl
+$ ls
+dir bsfwmcz
+dir dpbwg
+121640 mwvbpw
+dir pmrfvzw
+dir qsgv
+$ cd bsfwmcz
+$ ls
+dir fjqqblz
+51952 gqbj.fwd
+dir hmcj
+dir lctt
+81316 lhjmzsl.qqr
+6372 mbgfn.pmh
+22669 shvgmwn.vhv
+130990 zgq.fpv
+$ cd fjqqblz
+$ ls
+26064 zrqrnb.nwf
+$ cd ..
+$ cd hmcj
+$ ls
+14385 mwvbpw.vzq
+$ cd ..
+$ cd lctt
+$ ls
+137397 fbgbs.fjf
+dir jgbzqzq
+dir qrr
+272639 qsgv.vwm
+$ cd jgbzqzq
+$ ls
+135320 mpbb
+$ cd ..
+$ cd qrr
+$ ls
+dir dpbwg
+dir mwvbpw
+54143 pnsl.bbm
+dir wbpzpg
+$ cd dpbwg
+$ ls
+250653 shvgmwn.vhv
+$ cd ..
+$ cd mwvbpw
+$ ls
+2682 fhdh.hmt
+$ cd ..
+$ cd wbpzpg
+$ ls
+dir bqshqpvm
+141398 mtctcdgd.nmb
+130729 vtnfmjqm.mgp
+$ cd bqshqpvm
+$ ls
+252449 shvgmwn.vhv
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd dpbwg
+$ ls
+82216 gwjwmcbf.gwl
+$ cd ..
+$ cd pmrfvzw
+$ ls
+dir mwvbpw
+dir wtzgjspz
+dir zmb
+$ cd mwvbpw
+$ ls
+16736 wbzjzz.mqq
+$ cd ..
+$ cd wtzgjspz
+$ ls
+dir vjb
+$ cd vjb
+$ ls
+301763 drchphtm
+$ cd ..
+$ cd ..
+$ cd zmb
+$ ls
+201978 mdj
+dir qgnffw
+147889 qzbmwpnm.gjp
+$ cd qgnffw
+$ ls
+17740 cwz.dhs
+222345 mbgfn.pmh
+81554 npj
+206597 tsnlnzh
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd qsgv
+$ ls
+dir mmsnzr
+$ cd mmsnzr
+$ ls
+160502 tgrztm
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd mwvbpw
+$ ls
+40049 qmmdv
+313418 qsgv.srp
+$ cd ..
+$ cd qcqrgdm
+$ ls
+202848 wtl.qbj
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd vsgjds
+$ ls
+138690 npj
+22984 tpfbnz.sgj
+$ cd ..
+$ cd ..
+$ cd sqs
+$ ls
+dir zms
+$ cd zms
+$ ls
+152096 cvtqph.wwp
+dir mmwzg
+$ cd mmwzg
+$ ls
+100870 qsgv