Difference between revisions of "Sokoban Level 1b"

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This [[Sokoban]] level has the lowest amount of pits with respect to boulders. The level is not very hard. There are 10 [[boulder|boulders]] and 9 [[pit|pits]].
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'''Sokoban Level 1b''' is one of two possible maps for the first level of [[Sokoban]] in ''[[NetHack]]''. It is also among the various possible maps for that level in variants of ''NetHack''; in [[Hack'EM]], the map is named '''"Kick It On Over"'''. There are 10 [[boulder]]s and 9 [[pit]]s, leaving one spare boulder.  
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0 boulder
 
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^ pit
 
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@ starting position/downstairs
 
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< upstairs
 
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? scroll of earth
 
  
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  ------  -----
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<div class="ttymap">{{lightgray|<replacecharsblock>
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  |....|  |...|
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<=[[Stairs|{{white|<}}]]
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  |.0..----.0.|
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>=[[Stairs|{{white|>}}]]
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  |.0......0..|
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^=[[pit|{{gray|^}}]]
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  |..---@---0.|
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=&nbsp;
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  |---------.---
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|={{white|&#124;}}
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-={{white|-}}
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0={{white|0}}
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?={{white|?}}
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? ={{gray|? }}
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0 ={{gray|0 }}
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^ ={{gray|^ }}
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< ={{gray|< }}
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> ={{gray|> }}
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newline=<br>
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  ------  -----  
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  |....|  |...| 0 boulder
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  |.0..----.0.| ^ pit
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  |.0......0..| > starting position/downstairs
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  |..--->---0.| < upstairs
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  |---------.--- ? scroll of earth
 
  |..^^^<|.....|
 
  |..^^^<|.....|
 
  |..----|0....|
 
  |..----|0....|
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   |..^^^^0.0..|
 
   |..^^^^0.0..|
 
   |??----------
 
   |??----------
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   ----
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   ----        
  
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Note that if a monster gets to the room with the scrolls of earth, he may try to read one. Thus, try to lure them to the bottom right room, where that scroll will have less disastrous effects.
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</replacecharsblock>}}</div>
  
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== Strategy ==
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==Strategy==
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The following solution solves the level without putting any boulders in an immobile position. Faster solutions which do not necessarily leave every boulder free might exist. You can [http://alt.org/nethack/trd/?file=http://alt.org/nethack/userdata/t/tjraux02/ttyrec/2011-06-07.00:59:37.ttyrec.bz2 watch an instructional video].
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The following solution solves the level without putting any boulders in an immobile position. Faster solutions which do not necessarily leave every boulder free might exist. You can [http://alt.org/nethack/trd/?file=http://alt.org/nethack/userdata/t/tjraux02/ttyrec/2011-06-07.00:59:37.ttyrec.bz2 watch an instructional TTYREC video] or [https://www.youtube.com/watch?v=LTjS_v9S1W0 a YouTube video].
  
 
All boulders are replaced by letters so they can be referred to. Moving the boulders is shortened to '''r''' for right, '''l''' for left, '''u''' for up, '''d''' for down. An asterisk is used to denote the last move filled a pit (and thus removed the boulder from the game). So '''Nddrr*''' means move boulder '''N''' two times down and two times to the right into a pit.
 
All boulders are replaced by letters so they can be referred to. Moving the boulders is shortened to '''r''' for right, '''l''' for left, '''u''' for up, '''d''' for down. An asterisk is used to denote the last move filled a pit (and thus removed the boulder from the game). So '''Nddrr*''' means move boulder '''N''' two times down and two times to the right into a pit.
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   ----
 
   ----
  
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Clean the lower right room:
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Pick up the two [[scroll of earth|scrolls of earth]] as soon as possible to ensure that no monsters get a hold of them; remember to verify their [[beatitude]] before reading them in Sokoban, and only do so if you have misplaced or broken some other boulders.
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Then, clean the lower right room:
 
  ------  -----  '''H''' l
 
  ------  -----  '''H''' l
 
  |....|  |...|  '''I''' l*
 
  |....|  |...|  '''I''' l*
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   |..----------
 
   |..----------
 
   ----
 
   ----
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Pick up the two scrolls of earth. Remember to '#name' them and do not read them in Sokoban except when you misplaced some other boulders. First check whether they are blessed or cursed.
 
  
 
Finish the level with three of the remaining boulders:
 
Finish the level with three of the remaining boulders:
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   ----
 
   ----
  
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The level is now finished. Remember to check under the '''A''' boulder for possible usable objects. (If you want to be able to use it later, ''push it to the left''.
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The level is now finished. Remember to check under the '''A''' boulder for possible usable objects; note that you can now push it diagonally if you want to use it after clearing the level.
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  |....|  |...|
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{{nethack-360}}
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{{nethack-367}}
 
[[Category:Sokoban|1b]]
 
[[Category:Sokoban|1b]]

Latest revision as of 11:01, 31 July 2023

Sokoban Level 1b is one of two possible maps for the first level of Sokoban in NetHack. It is also among the various possible maps for that level in variants of NetHack; in Hack'EM, the map is named "Kick It On Over". There are 10 boulders and 9 pits, leaving one spare boulder.

 ------  ----- 
 |....|  |...|  0 boulder
 |.0..----.0.|  ^ pit
 |.0......0..|  > starting position/downstairs
 |..--->---0.|  < upstairs
 |---------.--- ? scroll of earth
 |..^^^<|.....|
 |..----|0....|
 --^|   |.0...|
  |^-----.0...|
  |..^^^^0.0..|
  |??----------
  ----         

Strategy

The following solution solves the level without putting any boulders in an immobile position. Faster solutions which do not necessarily leave every boulder free might exist. You can watch an instructional TTYREC video or a YouTube video.

All boulders are replaced by letters so they can be referred to. Moving the boulders is shortened to r for right, l for left, u for up, d for down. An asterisk is used to denote the last move filled a pit (and thus removed the boulder from the game). So Nddrr* means move boulder N two times down and two times to the right into a pit.

Make some room and move to the lower right room: 

------  -----  A r
|....|  |...|  C u
|.A..----.B.|  D rlll llll
|.C......D..|  E ddd
|..---@---E.|  
|---------.--- 
|..^^^<|.....| 
|..----|F....| 
--^|   |.G...|
 |^-----.H...|
 |..^^^^I.J..|
 |??----------
 ----

Pick up the two scrolls of earth as soon as possible to ensure that no monsters get a hold of them; remember to verify their beatitude before reading them in Sokoban, and only do so if you have misplaced or broken some other boulders.

Then, clean the lower right room: 

------  -----  H l
|....|  |...|  I l*
|.CA.----.B.|  J llll*
|..D........|  E dddl llll*
|..---@---..|  G ddll lll*
|---------.--- H dlll lllu*
|..^^^<|.....| F dddl llll luu*
|..----|F.E..|
--^|   |.G...|
 |^-----.H...|
 |..^^^^I.J..|
 |..----------
 ----

Finish the level with three of the remaining boulders: 

------  -----  B dddd dddd llll llll uuuu r*
|....|  |...|  D rrrr rrrd dddd ddll llll lluu uurr*
|.CA.----.B.|  C drrr rrrr rddd dddd llll llll uuuu rrr*
|..D........|
|..--->---..|
|---------.---
|..^^^<|.....|
|..----|.....|
--.|   |.....|
 |.-----.....|
 |...........|
 |.@----------
 ----

The level is now finished. Remember to check under the A boulder for possible usable objects; note that you can now push it diagonally if you want to use it after clearing the level. 

------  -----
|....|  |...|
|..A.----...|
|...........|
|..--->---..|
|---------.---
|....@<|.....|
|..----|.....|
--.|   |.....|
 |.-----.....|
 |...........|
 |..----------
 ----

Next level

After this level, you will face either of the following levels:

Sokoban Level 2a 
 ----          -----------
--.@--------   |.........|
|..........|   |.........|
|.0-----0-.|   |.........|
|..|...|.0.|   |....<....|
|.0.0....0-|   |.........|
|.0..0..|..|   |.........|
|.----0.--.|   |.........|
|..0...0.|.--  |.........|
|.---0-...0.------------+|
|...|..0-.0.^^^^^^^^^^^^.|
|..0......----------------
-----..|..|
    -------
Sokoban Level 2b 
-----------       -----------
|....|....---     |.........|
|..00|00...@|     |.........|
|.....0...---     |.........|
|....|....|       |....<....|
|-.---------      |.........|
|..0.|.....|      |.........|
|.00.|0.0.0|      |.........|
|..0.....0.|      |.........|
|.000|0..0.----------------+|
|....|..0.0.^^^^^^^^^^^^^^^.|
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