Roux Tips and Tricks Playlist

So I've only just realized I'm always doing M2 LR insertion in order to be able to predict 4c according to what you showed here. But what if there's an M U2 M or similar LR insertion available? How to predict the 4c case then?
 
So I've only just realized I'm always doing M2 LR insertion in order to be able to predict 4c according to what you showed here. But what if there's an M U2 M or similar LR insertion available? How to predict the 4c case then?
The same patterns will be present, however they will be at a different spot. For the M U2 M case, you will predict 4C based on the back (you will see when you do the first M) and the top (the edges stay, centre does M2).
 
The same patterns will be present, however they will be at a different spot. For the M U2 M case, you will predict 4C based on the back (you will see when you do the first M) and the top (the edges stay, centre does M2).
Not sure how to do this for all the cases. I know you love suggestions for videos, so here's one :)
 
Not sure how to do this for all the cases. I know you love suggestions for videos, so here's one :)
This one's just for you :)
I decided to just do 5 LSE walkthroughs instead of just showing the different cases. I made sure the thing you were wondering about showed up, and once you know that basic case you will be able to figure out the mirrors/symmetrical cases.
 
This one's just for you :)
I decided to just do 5 LSE walkthroughs instead of just showing the different cases. I made sure the thing you were wondering about showed up, and once you know that basic case you will be able to figure out the mirrors/symmetrical cases.
Thank you for doing this! While it didn't give me the whole answer, the video together with what you wrote here gave enough info for me to seemingly figure it out.

What I understand so far:

1. Forget diagonal 4c prediction. No matter how you insert LR, opposite UL and UR colors before LR insertion mean it's the cycle case.

2. When inserting LR with one of them solved in the upper layer, a line on U means the same as in regular LR insertion from the bottom layer.

3. When inserting LR with one of them in the upper layer but mixed with the opposite color (M2 from the last case), a line on U is unreliable. You need to imagine flipping the center color, and going by the line that gives.

4. For the solved case, when inserting LR with one of them in the upper layer, there is no line, but there is a block in the M slice (may need to imagine flipping the center as in #3 in order to recognize it).

Phew. Is this right? And if so, is the much harder recog worth it vs just setting up LR on the bottom?
 
Thank you for doing this! While it didn't give me the whole answer, the video together with what you wrote here gave enough info for me to seemingly figure it out.

What I understand so far:

1. Forget diagonal 4c prediction. No matter how you insert LR, opposite UL and UR colors before LR insertion mean it's the cycle case.

2. When inserting LR with one of them solved in the upper layer, a line on U means the same as in regular LR insertion from the bottom layer.

3. When inserting LR with one of them in the upper layer but mixed with the opposite color (M2 from the last case), a line on U is unreliable. You need to imagine flipping the center color, and going by the line that gives.

4. For the solved case, when inserting LR with one of them in the upper layer, there is no line, but there is a block in the M slice (may need to imagine flipping the center as in #3 in order to recognize it).

Phew. Is this right? And if so, is the much harder recog worth it vs just setting up LR on the bottom?
Perfect. I told you you'd figure it out! The recog is definitely worth it.
 
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