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September 3, 2009, Challenge, grid

by Yegor Bryukhov — last modified 2009-09-03 14:09

Goal: empty word, can be solved in 20 moves

B	A	b	a	a	b	a	B	A	A																			Rules:
																												aA
																												Aa
																												bB
																												Bb
																												aaa
																												bb
																												abab
																												AAA
																												BB
																												BABA

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