4x4x4 Blindfolded

4x4x4 Blindfolded (4BLD for short) is an official WCA event requiring one to inspect a 4x4x4 Cube and once the cube is fully memorized, solve it with a blindfold covering their eyes. The final time includes the time it takes to inspect and to solve added together. The solver may not have any view of the cube during the solving stage. In order to ensure that the solver is unable to see the cube during the solving phase, the judge typically places a sheet of paper between the solver's blindfold and the cube.

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