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 Post subject: tetris cube
PostPosted: Mon Aug 06, 2007 9:42 pm 
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ok, im sorry. maybe this isnt exactly a "twisty puzzle", and maybe this has been discussed before, but the search function always brings up like 100 or more pages of unrelated stuff, so i just wanna hear some opinions of the tetris cube. im thinking of buying it soon, unless i hear that i shouldnt.
any thoughts?


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PostPosted: Mon Aug 06, 2007 11:14 pm 
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What is it?

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PostPosted: Mon Aug 06, 2007 11:37 pm 
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Swordsman Kirby wrote:
What is it?


http://www.amazon.com/gp/product/images ... 830&sr=8-1

(says "mini", but this is exactly what i found at the toy store, package does not say mini)


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PostPosted: Tue Aug 07, 2007 12:46 am 
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Looks like a 3D pentomino

PS: the link can be shown in a shorter way like this:
http://www.amazon.com/gp/product/images/B000PWN1DG/

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PostPosted: Tue Aug 07, 2007 12:25 pm 
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Looks like a Bedlam/Soma cube.

Very challenging is that's the case.

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PostPosted: Tue Aug 07, 2007 4:52 pm 
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I'm going to vote for "Soma Cube variariant".

cmcf


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 Post subject:
PostPosted: Tue Aug 07, 2007 9:37 pm 
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well...
i got it, and it has been driving me crazy!
i havent solved it yet, and there are no solutions included with it OR online (at least, i cant seem to find any).
guess thats the point of a puzzle, to figure it out yourself, but it is seriously driving me nuts!


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 Post subject:
PostPosted: Wed Aug 08, 2007 2:59 am 
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Post a picture of the cube in action!


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 Post subject:
PostPosted: Wed Aug 08, 2007 6:35 pm 
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this puzzle is going to put me in the insane asylum!!!

i looked at bedlam cubes (have to PURCHASE the solution online, and it says that only 200 people have claimed to beat that); the tetris cube is supposed to be only slightly easier to solve, but identical in nature.
now im going insane. i get a crazy hard puzzle, thinking it would be kinda simple and relaxing, and now im pulling out my hair!!!

PLEASE help me someone! i have searched for a solution, and have found NOTHING!
anyone know at least some helpful tips or ANYTHING AT ALL?!?!?!?


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PostPosted: Wed Aug 08, 2007 6:41 pm 
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destro wrote:
this puzzle is going to put me in the insane asylum!!!

i looked at bedlam cubes (have to PURCHASE the solution online, and it says that only 200 people have claimed to beat that); the tetris cube is supposed to be only slightly easier to solve, but identical in nature.
now im going insane. i get a crazy hard puzzle, thinking it would be kinda simple and relaxing, and now im pulling out my hair!!!

PLEASE help me someone! i have searched for a solution, and have found NOTHING!
anyone know at least some helpful tips or ANYTHING AT ALL?!?!?!?


isn't it like a 3D jigsaw puzzle? So the final solution should be a cube, right?

I'm guessing the colors don't have to be matching as well?

How many pieces are there?

Sorry, I don't have a solution, but my guess is just to fit them together like a jigsaw and make a cube.

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 Post subject:
PostPosted: Wed Aug 08, 2007 6:45 pm 
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reeeech wrote:

How many pieces are there?

12

reeeech wrote:
my guess is just to fit them together like a jigsaw and make a cube.

now you are mocking me!!! :wink:
it's HARD i tell ya!!!
harder than it sounds. i dont think i will be able to do it... :cry:


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 Post subject:
PostPosted: Wed Aug 08, 2007 6:55 pm 
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lol

No, honestly, I've never seen it... So I don't know what to tell ya!


However, is it a solid cube when done? Or does it have spaces in between the pieces?

Have you ever played with the Gordian Knot before? Now that's a helluva puzzle! It's a burr puzzle that takes around 60 moves just to get the first piece out.

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 Post subject:
PostPosted: Wed Aug 08, 2007 7:14 pm 
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it needs to be solid, no spaces when solved. right now though, i would settle for a solve WITH spaces, just to fit it all back inside the clear container all nice and neat and seemingly solved...

i checked out the gordian knot, and all i can think of to say is: NO THANKS!!!
im already hating this tetris cube, so i do not need anything thats even harder than that in my life at this moment!


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PostPosted: Wed Aug 08, 2007 7:19 pm 
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Pembo wrote:
Looks like a Bedlam/Soma cube.

Very challenging is that's the case.


pembo, please, you may be my only hope...
do you know how to solve the bedlam cube, or soma, or anything closely related?!? if so, you might have some useful tips for me that im just not thinking of...
the website that i found discussing the bedlam cube shows a pic of the inventor juggling the bedlam AND tetris cube, so he is responsible, i think. if you have solved the bedlam or soma, you MIGHT be able to help me end my frustrations...


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PostPosted: Wed Aug 08, 2007 7:31 pm 
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Here's some pics on this site...

http://www.seriouspuzzles.com/tetriscube.html

Click on the images and see if you can piece it from there...

I've seen two versions of this puzzle - well, more like different colors, so hopefully what you have is the same! :P

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 Post subject:
PostPosted: Thu Aug 09, 2007 1:00 am 
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I want one!


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 Post subject:
PostPosted: Thu Aug 09, 2007 1:11 am 
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What luck; I had a set of pentominoes that your could arrange into some 2-d and 3-d shapes (it came with an answer book). Interestingly, non of the 3-d shapes were cubic. There was a pyramid, chair shape, rectangular prism etc.

I just found them shoved away at the back of my closet. Assuming it's the same thing, looks like I've got myself a Tetris Cube :D

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 Post subject:
PostPosted: Thu Aug 09, 2007 4:21 am 
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destro wrote:
Pembo wrote:
Looks like a Bedlam/Soma cube.

Very challenging is that's the case.


pembo, please, you may be my only hope...
do you know how to solve the bedlam cube, or soma, or anything closely related?!? if so, you might have some useful tips for me that im just not thinking of...
the website that i found discussing the bedlam cube shows a pic of the inventor juggling the bedlam AND tetris cube, so he is responsible, i think. if you have solved the bedlam or soma, you MIGHT be able to help me end my frustrations...

Sorry to disappoint, but I have never solved the Bedlam Cube, it is so frustrating!

However, I do know there are a few Bedlam cube solutions online, so there is likely to be a Tetris one, let me look.

Sorry, couldn't find anything.

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 Post subject:
PostPosted: Thu Aug 09, 2007 10:11 am 
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Hmm, I've been looking around a bit. Does anyone know if the puzzle is actually made from the 12 pentomino pieces? The reason I ask is because at this page http://en.wikipedia.org/wiki/Pentomino says:

Quote:
A pentacube is a polycube of five cubes. Twelve of the 29 pentacubes correspond to the twelve pentominoes extruded to a depth of one square. A pentacube puzzle or 3D pentomino puzzle, amounts to filling a 3-dimensional box with these 1-layer pentacubes, i.e. cover it without overlap and without gaps. Each of the 12 pentacubes consists of 5 unit cubes, and are like 2D pentominoes but with unit thickness. Clearly the box must have a volume of 60 units. Possible sizes are 2×3×10, 2×5×6 and 3×4×5.


It seems that the cube pictured in the link at strange puzzle is more or less cubic. Does this contradict what was said on the Wiki page?

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 Post subject:
PostPosted: Thu Aug 09, 2007 11:24 pm 
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AAAAAAARRRRRGGGGGGGGGHHHHHHH!!!!!!!!!!

false advertising!!!!

the box says: "deceptively simple"

SIMPLE!!!
???

no solutions, no-one knows how to solve this thing.....
i wanna blow my brains out!!!


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 Post subject:
PostPosted: Sat Aug 11, 2007 8:27 pm 
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giving my post a frustrated bump...

noone on this forum knows how to solve this thing?
seems kinda hard to believe.

im gonna cry, i HATE this puzzle.....

PLEASE HELP!!!


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 Post subject:
PostPosted: Sat Aug 11, 2007 9:04 pm 
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I suggest looking up stuff on pentominoes rather than the tetris cube if you aren't already. As I said in my last post, I started to a little bit of research on it but no one answered my questions. Keep looking, you might come across something.

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5x5x5: 6:05:54 (PB)


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 Post subject:
PostPosted: Sat Aug 11, 2007 9:44 pm 
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i have been.
the bedlam cube is the closest puzzle match.
have to purchase solutions, and even then, the bedlam is 13 pieces, whereas the tetris is 12, so not an exact match, even though the pieces are identical.
best thing so far is a youtube video of a guy solving the bedlam cube, but, like i said, that contains an extra piece, and it only KINDA helps...


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PostPosted: Sun Aug 12, 2007 1:40 am 
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destro,

the puzzle is new, forum members don't have it yet or just aren't interested in such type of puzzles. Pictures I've seen following the links don't show all the pieces. If you don't want to solve the puzzle by yourself, post a picture or description of the pieces and somebody will help you to pack those pieces into the box. I have experience solving Bedlam cube. There are a lot of possibilities to explore, so it takes time.

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PostPosted: Sun Aug 12, 2007 2:46 am 
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destro wrote:
the box says: "deceptively simple"


Its not false advertising! "deceptively simple" means it looks easy but is actually hard!

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 Post subject:
PostPosted: Sun Aug 12, 2007 7:53 pm 
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no.
not that it matters, but it means it looks harder than it is. the cube is (deceptively) SIMPLE.

kinda like how a skinny little guy might be said to be deceptively strong. etc.

if it meant to say harder than it looks, it would of said deceptively difficult.
but, whatever. makes no difference.

im throwing this puzzle away, im sick of it putting me in bad moods.


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PostPosted: Mon Aug 13, 2007 11:51 pm 
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Don't throw it away. Just stick it somewhere where you will forget about it and
won't be able to see it. Then one day you may find it again any try to solve it
again. :)

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 Post subject:
PostPosted: Mon Aug 20, 2007 6:23 pm 
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destro:

If you can somehow describe each piece, I might be able to solve it. For example, here are the 7 soma pieces:

11
10

111
100

111
010

110
011

11
20

12
10

21
10

...'2' means 2 cubes stacked vertically. Another method would be to plot out the piece layer-by-layer. The last 3 soma pieces would look like...

11|00
10|10

11|01
10|00

11|10
10|00

cmcf


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PostPosted: Mon Aug 20, 2007 7:54 pm 
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destro wrote:
im throwing this puzzle away, im sick of it putting me in bad moods.


Congrats! If you actually threw it away, you wasted your money, and failed as a cubist! :D A cuber never throws his/her puzzles away unless they break (from dropping/modding/etc.) Yep. :D Where did you get this puzzle anyway. I would like one

It isn't that hard, even though it might seem to be. I was at a meeting somewhere and i saw a puzzle on a table and i walked over and solved it in 1 minute. Someone came over and said noone has solved it in years. So either i'm really good, or they are very bad at it rofl. Just keep trying!

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 Post subject:
PostPosted: Mon Aug 20, 2007 11:34 pm 
i just ordered one of those. i can't wait to get it and try it out.


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PostPosted: Tue Aug 21, 2007 2:11 am 
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I doubt it's that hard because I have figured out ~25 different solutions to the
soma cube in about 1 hour. I just thew the pieces together and when it didn't
work at all I switched 2 or 3 pieces to make it work.

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PostPosted: Tue Aug 21, 2007 8:29 am 
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I found a puzzle made of 12 pentominoes a couple of weeks ago. It's called "Zwölferpuzzle", zwölf being the German word for twelve.
I'm attaching part of the booklet with solutions to three dimensional objects that can be built with it. There's no cube there, so I suppose it really is not possible with 12 pentominoes, like sn7221 said.

Actually when you think of it it’s quite clear: 5 * 12 = 60 and there is not number to the power of 3 that equals 60.

Rob Stegmann does not list a cube as a possible solution, either, but he gives a 3x4x5 solution:
http://home.comcast.net/~stegmann/assembly.htm

So I'm guessing the tetris cube is not made of the same pieces. I'm attaching this anyways to maybe help you come up with a solution that's similar to the ones shown.


Attachments:
zwoelferpuzzle.pdf [955.38 KiB]
Downloaded 145 times
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PostPosted: Tue Aug 21, 2007 9:19 am 
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reeeech wrote:
lol

No, honestly, I've never seen it... So I don't know what to tell ya!


However, is it a solid cube when done? Or does it have spaces in between the pieces?

Have you ever played with the Gordian Knot before? Now that's a helluva puzzle! It's a burr puzzle that takes around 60 moves just to get the first piece out.


Actually the Gordian Knot takes 27 moves to get the first piece out and 60 to get the whole puzzle apart. However it is just at the capability of human understanding. Meaning that you HAVE to use the solution to do it. It was figured out on computer as the most difficult burr puzzle. PRETTY COOL huh!

Yeah the tetris cube is a bit tricky but can be done.

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PostPosted: Tue Aug 21, 2007 11:27 am 
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S.Rubiks wrote:
Actually the Gordian Knot takes 27 moves to get the first piece out and 60 to get the whole puzzle apart. However it is just at the capability of human understanding. Meaning that you HAVE to use the solution to do it. It was figured out on computer as the most difficult burr puzzle. PRETTY COOL huh!

Yeah the tetris cube is a bit tricky but can be done.


:oops: oops :oops: I stand corrected.


However, have you seen this?
Quantum Entanglement

I have one, and it's pretty sweet!! But this one has the possibility of 80 moves to get the first piece out. You can actually change the configuration to make it more simplistic...

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PostPosted: Tue Aug 21, 2007 5:15 pm 
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I do have some of Mr. Puzzles creations. However I do not have that one. I had enough of that type when I tried to tackle internal combustion which is a 4 piece version of that one.

But alas, I am selling my collection now instead of accumulating more.

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PostPosted: Tue Aug 21, 2007 7:56 pm 
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emr1028: If you're getting a Tetris Cube for yourself, maybe you can map the out-of-the-box solution before removing the pieces. That way, we will all have the solution at last!

Myke: The Soma cube is a lot easier than any of these Bedlam-types that are surfacing in the puzzle arena... but still, congrats on finding all those solutions for the classic "3-D answer" to Tangrams. Keep up the good work :)

To the rest of the gang: Unlike the Bedlam and Tetris cubes, the Soma cube has a mathematical reasoning (and restriction) for the 7 pieces it contains. It also has a stranger reason why none of the pieces are penta-cubes, but I'll let that go for now. Many thanks to Erno and Piet for advancing the puzzle industry way beyond the dark ages.

cmcf


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 Post subject:
PostPosted: Tue Aug 21, 2007 8:11 pm 
cmcf wrote:
emr1028: If you're getting a Tetris Cube for yourself, maybe you can map the out-of-the-box solution before removing the pieces. That way, we will all have the solution at last!

Myke: The Soma cube is a lot easier than any of these Bedlam-types that are surfacing in the puzzle arena... but still, congrats on finding all those solutions for the classic "3-D answer" to Tangrams. Keep up the good work :)

To the rest of the gang: Unlike the Bedlam and Tetris cubes, the Soma cube has a mathematical reasoning (and restriction) for the 7 pieces it contains. It also has a stranger reason why none of the pieces are penta-cubes, but I'll let that go for now. Many thanks to Erno and Piet for advancing the puzzle industry way beyond the dark ages.

cmcf


i don't want to because i want to get it 100% by myself, and if i map it out there would still be some of it in my memory. once i solve it i will.


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PostPosted: Tue Aug 21, 2007 11:22 pm 
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emr1028:

I understand. As a matter of fact, I felt a bit guilty asking this, because I would normally do the same thing (that you do) with any new puzzle that is brought home... scramble it to death first, and then worry about solving it later; being confident that somehow, someway, someday it will get solved!

============

To the entire forum (WARNING - LONG BORING POST):

The following is a bit of Soma Cube history, or at least the mathematics behinds the certain shapes. I know, I know; most of this info is available on the 'net, but some it this was by word of mouth (or maybe even Urban Legend)...

The seven Soma pieces have two restictions:

1. The piece must not exceed 4 cubelets.
2. All pieces must be irregular, with a turn or nook somewhere. Basically, no hexahedrons allowed.

This elimates the monocube and double-cube (both are hexahedrons). The 3x1x1 and 4x1x1 sticks also fall into this category, along with the 2x2x1 square shape. Anything else leftover became Soma.

So far, this is nothing more than internet fodder. Now the real twist, or the reason why PENTACUBES are not allowed...

Start off with a single cubelet, and slap another cubelet on any side. No matter which side you attach it to, you can only go off in one direction (or let's say, one dimension). You need a third cube to "bend" into a second dimension (to make the small V-shaped flat piece). Sure, you can continue to expand the it into the same direction, but the 3rd cubelet does give the freedom to go 2-D.

A 4th cubelet will allow you to make any of the familiar Tetris video-game pieces (all flat 2-D pieces), but you can also constuct a few 3-D structures as well (using another "bend"). In the Soma world, we label these as #5, #6 and #7. #5 and #6 are mirror images of each other, while #7 looks like a poorly pixelated pyramid.

If you add a 5th cubelet, this makes it possible to not only constuct 1-D, 2-D or 3-D like-pieces, but to go 4-D as well. Of course, each cubelet would actually have to be terrasects, and the new direction would have to either go inward or outward to make the final "bend".

Rumor has it that Piet Hein limited the cubelets to 4, to avoid the "4-D" problem. Not only is it impossible to build a terrasect-like puzzle in the 3-D world, but the 3-D pieces labeled as "#5" and "#6" would suddenly become identical (by merely flipping one of them inside 4-D space), instead of mirror images of each other.

Enough rambling for now, but I thought this forum was the perfect place for it. But I could be wrong... I've been wrong before. Like that one time I told the cop he should learn to count to four before citating anyone for "blowing" an all-way stop intersection.

cmcf


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PostPosted: Wed Aug 22, 2007 7:12 am 
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The puzzle comes in 2 sizes (Small & Large)

http://www.boardgames.com/tecusm.html

http://www.boardgames.com/tecula.html

The small Tetris cube has over 14,000 solutions
compared to the 9,839 solutions for the large one (?)

Interesting story about the tetris puzzle:

http://news.com.com/8301-10784_3-9737439-7.html

http://www.myitablet.com/early-bird-get ... 291005.php

Michael
:wink:


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PostPosted: Wed Aug 22, 2007 1:47 pm 
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thanks everyone for trying to help me out.

nate2007: i didnt throw it away, so am i still a "cubist"? :roll:

cmcf: sorry, i cant figure out how to describe the pieces with numbers. wish i could, sorry.

myke: thats cool about the soma puzzle. i have never tried that puzzle, but judging from pictures and watching it solved on videos (and having 7 pieces vs. 12), i would say that it looks much easier than the tetris cube.

celia: ty for posting that instruction sheet.

s. rubiks: you said "the tetris cube is a bit tricky but can be done". have you actually solved it?

emr1028: i understand why you wouldnt wanna map it out, but maybe you could have someone else do it for you, straight out of the box, and swear to not show it to you until you get as frustrated as i am. im sure youll be glad you did, and then, that way, we all get a solution.

michael: you got it backwards. the mini cube is much more difficult (i have the mini version) than the larger one. the large one has over 14,000 solutions, while the mini has 9,839. the pieces are also more complex in the mini version. almost no 2 pieces seem to match up correctly. and then, just when you think youve solved it, you are left with 2 pieces that go nowhere. this happens ALOT to me.


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 Post subject:
PostPosted: Wed Aug 22, 2007 7:00 pm 
once i solve it i will


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 Post subject:
PostPosted: Thu Aug 23, 2007 3:34 pm 
my analysis after attempting to solve it for an hour: this thing is HARD!!!!


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PostPosted: Thu Aug 23, 2007 6:26 pm 
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emr1028 wrote:
this thing is HARD!!!!


SEE?!?!?!?!!!!!
I TOLD you!!!!!!!!!


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PostPosted: Thu Aug 23, 2007 8:27 pm 
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I discovered a friend who has one of these. I will try it out and report back. I'm nervous.

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PostPosted: Fri Aug 24, 2007 8:27 am 
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Location: Berlin, Germany
I found a cube at Amazon.de (Germany) that is called Big Brother Cube. It's called that because they gave this cube to the candidates in the Big Brother House for their weekly challenge sometime this year. On the site it says that there are 14.177 possible solutions. So I think it might be the Tetris Cube, just in blue and white. It costs 9,98€, in case someone is interested.

http://www.amazon.de/Imagination-Games-1540-Brother-W%C3%BCrfel/dp/B000PN9S1E[/url]


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PostPosted: Thu Sep 06, 2007 12:16 am 
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This thing is essentially impossible. I mean, it's not literally impossible, but I can't seem to find any strategy to go about figuring it out. It's just guess and check, which is really frustrating and not much fun at all. I got one for $14. I doubt I'll ever get this thing back together.

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PostPosted: Thu Sep 06, 2007 5:40 pm 
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I KNOW!!!! it SUCKS!!!
i still havent solved it, and i hate it soooo much. not fun at all.
and to think, emr could of/should of had someone map out the solution when it was new and still packed correctly. damn you emr! sooo selfish and stubborn! :x
:wink:

(hey! my 100th post!!!)


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PostPosted: Thu Sep 06, 2007 6:10 pm 
i was thinking of it, but it fell apart :? :? :? :? :? :wink: :wink: :wink:


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PostPosted: Thu Sep 06, 2007 11:57 pm 
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I suppose I could have also mapped it out but that wouldn't have been very fun, would it have?

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PostPosted: Fri Sep 07, 2007 12:15 am 
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...more fun than actually trying to solve the thing...


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