21 HTM Official ER (Part of 25.00 WR Average) by Sébastien Auroux

Scramble: R2 D’ B’ U D2 F2 R2 L2 F’ R L’ B2 D2 R D2 L D2
Solution: B’ U’ D’ F2 L’ B’ L’ B2 L2 B’ U B F2 U F2 U F2 U2 F2 U’ L2 (21 HTM)

Explanation: (from his post on speedsolving)
Premove: L2
2x2x2: B’ U’ D’ F2
2x2x3: L’ B’ L’ B2
F2L-1+Domino-Reduction: L2 B’ U B
Finish: F2 U F2 U F2 U2 F2 U’

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