1x2x3 Block

1st Roux Block Information Proposer(s): Gilles Roux Proposed: 2003 Alt Names: First Roux Block, 1x2x3 Block Variants: FBEO, FBCP Subgroup: No. Algs: intuitive Avg Moves: Purpose(s): Speedsolving, FMC

The First Roux Block (French pronunciation for "Roux": [ʁu]) is the first step in a 3x3 speedsolving method called Roux invented by Gilles Roux. This first step consists of building a 1x2x3 block anywhere on the cube.