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"Planetary Mystery" by Dave (via Jim)

added 01 Jul 2011 01:01
Solved4/4
Cooked0/4
Difficulty8.50
Style6.25
Rigidity5.25
Shortest Solution
NameSpeedrun
Length410 moves
ByJim
On03 Jul 2011 16:09

Comments (turn spoilers off)
15695 Planetary Mystery mm (690) Sat 16 Jul 2011 17:49 SPOILER
  Wowei, knowing kind of a lot about the original and "old" levels unfortunately does not seem to help me finding any solution for these new versions. But I'll certainly keep on trying.
 
15694 Planetary Mystery wowei (685) Sat 16 Jul 2011 17:08 SPOILER
  Jim, i didnt want to say, its easy - not at all it is, and inho your find is great.

Of course the solution is very hard to see and i only can imagine it took a long time to discover, but ... if you already know the original plan and you are told then: "dont use red", then the problem becomes a little bit more easy to solve.
 
15647 Planetary Mystery Jim (2369) Sun 03 Jul 2011 16:09 SPOILER
  Added speedrun: 410 moves (old: 441).
 
15646 Planetary Mystery Dave (2400) Sun 03 Jul 2011 16:05 SPOILER
  The original level was built with to have a great deal of misdirection as to the true purpose of the components while at the same time having no hidden information (that's why when you press d it is very clear what goes where). This made it vulnerable to being cooked. It has stayed out of the graveyard so far because it's so cookable (and therefore mod-able) and yet still remains a tricky level.

Jim's solution is definitely a cook because it utilises the only component put there for misdirection only. It only works at all because of the guard bot cook (as explored in Kirima's mods) but Jim would not have known about this.

noname's version does reduce the problem space and could be argued to make the others easier.

What I find a pity, and it's entirely my own fault, is the loss of the intended bot ordering problem to protect the guard bot.
 
15645 Planetary Mystery Jim (2369) Sun 03 Jul 2011 13:14 SPOILER
  Added speedrun: 441 moves (old: 452).
 
15644 Planetary Mystery Jim (2369) Sun 03 Jul 2011 13:12 SPOILER
  I'm going to disagree with you Wowie, I think this solution is extremely difficult to see, it took me months to find it originally. I didn't see Dave's twist to it until today, your latest level actually simplified discovering it so IMHO this is the only new version that we need to keep. Also, this solution does not work for the 5 and 6 bot versions, those solutions are still unique.
 
15639 Planetary Mystery wowei (685) Sun 03 Jul 2011 09:04 SPOILER
  Added speedrun: 452 moves (old: 731).
I liked the original idea a lot, where you have to put two bots in position and then let them push wires to the right places in the right time. Jim's find can probably be considered a cook of that sequence.

Kirima, it's a total different approach here, and i'm pretty sure you'll get it quick. I wonder if the 6- and the great 5-bot version are cooked too now.
 
15638 Planetary Mystery Dave (2400) Sun 03 Jul 2011 06:09  
  I have a feeling this level is be destined for the graveyard, but not just yet.
 
15625 Planetary Mystery mm (690) Fri 01 Jul 2011 18:17  
  Thanks for creating these new mods that seem totally impossible to solve... -> I guess it will take me more than 6 months if ever. ;-)
 
15624 Planetary Mystery Dave (2400) Fri 01 Jul 2011 18:06 SPOILER
  And then there were three... Until you uploaded Mars Drift I thought that this was the one part of 7B7B that was pretty rigid and, despite all the tinkering by wowei, mm, and myself, remained invariant throughout the series. Prior to yesterday it never even occured to me to look for alternatives.
I very much doubt it will take you the full six months :)
 
15614 Planetary Mystery Jim (2369) Fri 01 Jul 2011 12:06  
  Yikes Dave, I was thinking this wasn't possible when I made Mars drift, now I'm forced to try to solve this. Thanks for giving me something to do for the next 6 months!
 
15611 Planetary Mystery Dave (2400) Fri 01 Jul 2011 01:01  
  'Planetary Mystery' uploaded by Dave:
One planet missing and Mars still astray...