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meagar/cube-scramble2.rb

Created July 18, 2018 17:59
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cube-scramble2.rb
SIDES = %w(R L B F U D)
TURNS = ["", "2", "'"] # one turn, two turns, one counter-turn
moves = 20.times.inject([]) { |memo, _| memo + [(SIDES - [memo.last]).sample] }
p moves.zip(TURNS.cycle).map(&:join) # ["F", "L2", "U'", "B", "L2", "R'", "D", "U2", "B'", "D", "F2", "U'", "L", "B2", "U'", "D", "R2", "L'", "D", "F2"]
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