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Worked 3BLD examples

Two example 3x3 blindfolded solves

Follow two complete Old Pochmann memorisation examples, including short cycles, cycle breaks, flipped pieces and parity.

Exact memo pathsPaired lettersParity explained
Example 1

A short corner cycle and two flipped edges

R2 L2 F2 R B' L F L2 U2 R2 U' B2 D F2 D L2 B2 R2 U' B
Show the scramble as notation images

Corner memorisation

The sticker in the A buffer position belongs at S. Continue tracing: S goes to U, U to M, M to W and W to Q. Q returns to the A buffer piece.

This corner cycle is unusually short. The other two corners are already solved, so no cycle break is required.

Full corner memorisation
SUMWQ
A → S → U → M → W → Q → A

Parity is required

The corner memo contains five swaps: S, U, M, W and Q. Because that number is odd, perform the parity algorithm after executing the corner memo and before beginning the edges.

Execute corners→Parity algorithm→Execute edges

Main edge cycle

Start at B and trace B → S → I → N → O → L → K → P → A → E. E returns to the buffer piece.

Two edge pieces have not appeared in this cycle. They are not solved: inspection shows that both are flipped in place.

B → S → I → N → O → L → K → P → A → E → B
Flipped edge: memorise H and R.
Flipped edge: memorise G and X.
Full edge memorisation
SINOLKPAEHRGX
Example 2

A twisted buffer and a corner cycle break

R2 B D L' D B2 R' L2 U2 F B2 R2 F L2 D2 B' L2 B
Show the scramble as notation images

Corner cycle from a twisted buffer

The corner buffer contains the correct piece, but that piece is twisted. It cannot begin a normal buffer cycle, so start a new cycle immediately. Choosing P is convenient, making P the first memo letter.

Trace P → O → M → G → N → K. K is on the same physical corner as P, so this closes the cycle and accounts for the twist.

First corner cycle: P → O → M → G → N → K.

Second corner cycle

Two corner pieces remain untouched. Start a cycle break at F, then trace F → S → I. I completes this second cycle.

Full corner memorisation
POMGNKFSI
Cycle break: F → S → I.

Parity is required again

The complete corner memo has nine letters, so the number of corner swaps is odd. Execute the parity algorithm between the corner and edge phases.

Execute corners→Parity algorithm→Execute edges

Edge memorisation

Starting from B, trace B → T → K → I → A → P → W → G → F → R → V → D. D returns to the buffer.

Every unsolved edge is included in this cycle, so no cycle break or additional flipped-edge memo is needed.

Full edge memorisation
TKIAPWGFRVD
B → T → K → I → A → P → W → G → F → R → V → D → B