My edge processes basically leave corners alone. This is done to create either 4 flipped edges, in the bottom layer, or 2 flipped edges, opposite one another. I rotate the medge piece into the final layer and in the process rotate a placed/oriented piece out of the final layer. Once the bottom edge pieces are put in place, either one or three edge pieces are flipped, due to the flipped medge. Once in the last layer I place the corners first then orient them. The case you present is one I no longer solve at this point. I listed processes and their configurations, then tried to reverse them. As a beginner when the cube was first released I kept a notebook. * If you're manoeuvres to swap two corners and twist three corners on your final layer do flip edges, you could use these and their reflections instead: Swap 2 corners: R U' L' U R' U' LĪs a solver my methods are different and constantly evolving. If $3$ edges are flipped on U ($1$ yellow is facing up in your diagram) you could use a "flavour" of a single $11$ face-turn manoeuvre to both flip the edge you are solving and those three: Correct U Edge Sequence If only $1$ edge is flipped on U ($3$ yellows are facing up in your diagram) you could use a "flavour" of a single $9$ face-turn manoeuvre to both flip the edge you are solving and that one: Flipped U Edge Sequence The fact that this edge is flipped and $7$ are not (the ones you've solved) means either $1$ or $3$ of the other $4$ (on the top) are flipped. R2 B2 U2 l U2 r’ U2 r U2 F2 r F2 l’ B2 r2įix adjacent or diagonal corner parity (may have to repeat part of bottom finish moves start with corner in front upper right for opposites facing you for others.I would suggest starting to look ahead (which you might do earlier than this, but could do here), you know you will want all the top (as you show) edges to have the correct flip, this would be an ideal point at which to start combining your efforts - your method most likely does the corners next, but it is most likely that the manoeuvres you already use do not flip the edges*. Sometimes the cube will solve perfectly and other times you may end up with a parity problem. Once all the edges on the entire cube are paired, you can solve the cube via the 3x3 method. To put in place on same level with that level on the bottom of the middle layer To move Opposites to the same level in the middle Now you need to get all the middle layer edges. You can get more options on the middle layer by moving bad pairs up to the new top just like you would move good pairs: L’ U’ L You have to be careful to not mess up what you have already done previously.
L’ U’ L (with the pair you are taking up on the left middle and no good pairs lined up on the back of the top face.įlip the cube over and now let the bottom become your top face. Pick pairs to match up from the middle layer. Pick a face and solve all middle layers on top.
(You cannot get the 4th piece into place when 3 or sitting on the designated face use pairs). Green) (Yellow under Blue (Red to the left of Yellow) (White to the left of Red)ĭo this by spinning 2 of the 4 in at a time by placing 2 pair underneath the other two pair, taking it up to the face you want it on rotating that face 180 degrees and moving what you took up back down.
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