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While playing Cogs, I have found myself plenty of times in this irritating situation. I have this:

.--. 
|XY| (where I don't really care about X, Y, or Z)
|AB|
|Z |
....

...while what I want is this:

.--. 
|AB| (where again, I'll sort X, Y and Z later.)
|XY|
|Z |
....

I'm tired of trying to get this by accident. By goodness, you how do you make that happen consistently?

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WHARGARBL. –  badp Aug 20 '11 at 12:20
    
The trick is in puting A and B in a line, prepared to be dragged. Like in accepted answer – you 1) put AB into suitable line 2) take A and drag the whole AB line 3) repeat it twice –  Nakilon Aug 23 '11 at 1:27

1 Answer 1

up vote 6 down vote accepted
.--.   .--.   .--.   .--.   .--.   .--.   .--.   .--.   .--.   .--. 
|XY| → |XY| → |XY| → |↓Y| → |Y←| → |YA| → |YA| → |↓A| → |A←| → |AB|
|AB| → |A↓| → |→A| → |XA| → |XA| → |XB| → |XB| → |YB| → |YB| → |Y↑|
|Z | → |ZB| → |ZB| → |ZB| → |ZB| → |Z↑| → |→Z| → |XZ| → |XZ| → |XZ|
....   ....   ....   ....   ....   ....   ....   ....   ....   ....

10 moves.

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3  
Somehow, I knew you would edit this to be prettier. –  StrixVaria Aug 20 '11 at 12:45

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