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Hi everyone, this is rprentki with another tutorial video for EyeWire.

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This is going to be the fifth practice cube after you finish the tutorial cubes.

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So once again, you're not going to get feedback while you're working.

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You will get feedback afterwards and you'll get points.

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Let's get started.

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Okay, so here I can see from the plane, 

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that it's touching this part of the blue one right here.

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So this is the part we're seeing in the 2D.

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I actually want to start at the edge of the cube, 

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so I'm going to double-click,

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and that brings the 2D to where I clicked in the 3D.

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So this is where I want to start,

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and that's just to make sure I don't miss anything, 

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in case the plane starts off in the middle.

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Okay, and just following the outline up,

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and I scrolled back a little bit 

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because I noticed this piece I selected actually sticks out a good deal 

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from the outline.

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I'm going to hit shift so you can see that.

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So, see the outline here?

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This little piece extends beyond it,

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so I'm going to get rid of that.

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Okay, what happened is, see right here?

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This looks like it's inside the line, but when I click on it, 

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it's inside and outside the line.

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So this is a merger caused by the AI, the artificial intelligence, 

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and when something like this happens, 

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sometimes it's really small, sometimes its big,

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but what we want to do is deselect this one, 

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because mostly it appears to be outside the line.

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Alright, so let's just carry on, 

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and if you have a piece that is a merger, but can't erase 

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because it's integral to the piece that you're tracing, 

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then just try not to extend the error that the computer made; 

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just stick with the original piece that you were working on.

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Alright, so it looks like this is another piece to add.

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Alright, it looks like this might belong as well,

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so let's try coloring that in,

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and I'm going to turn around the 3D 

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so I can see exactly what's going on.

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Okay, it looks like a nice, smooth continuation.

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Let's carry on, we're almost to the edge.

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And I know that we've hit the edge of the cube, 

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but we want to make sure it actually disappears off the edge, 

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because sometimes it can continue along it for a while.

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So it looks like we're done.