Message #1871

From: Roice Nelson <>
Subject: Re: [MC4D] 120-cell solved…
Date: Fri, 02 Sep 2011 12:08:39 -0500

Very cool Andrey :)

Would you like me to add your name to the
Magic120Cell<>page I have, or
is it time to move the solvers list for this puzzle to a
shared place like the wiki? (I welcome opinions on that from others too.)
Unbelievably, there are now 6 solvers of the 120-cell puzzle!


On Thu, Sep 1, 2011 at 5:48 AM, Andrey <> wrote:

> Hi all,
> I’ve just finished solving of 120-cell. In MPUlt it was not difficult at
> all. I’ve used 4 features of the program - macro, setup sequencies, cubie
> highlighting and fast temporary changing sticker color to white. With these
> features I almost didn’t care about the actual colors of cells.
> My method is the following: I solve 2C, 3C and then 4C. For each type I
> select some cell, change it to white, then move all cubies with white
> stickers to this cell (using setup unwinding and a couple of macros). My
> goal here is to make all stickers of the current type on that face "white".
> Then I use another macro to sort cubies in that cell (it is a half on
> 3-cycle that moves two pieces from the cell and one outside). Non-macro
> twists here are twists of one cell, so I don’t need to use F1/F2/F3 keys for
> this stage. Then I go to other cell and so on.
> At first my estimate of time for complete solving was 96 hours (I used
> about 2 minutes per cubie). So I didn’t care about the time, and often left
> the puzzle with running timer for a while. I think that I lost about 6 hours
> of displayed time here. But at the end of 3C stage I found that situation is
> much better than I thought about it: timer displayed 57h 05m! So if I’ll be
> solving 40 pieces per hour, there will be good chances to finish at 72h :)
> Actual time was 69h 58m 30s. And I spent last 30 minutes to resolve one
> flipped 4C - tried to solve it like in 3^4, but coldn’t remember the proper
> algorithms :)
> Andrey
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