Save The Population (2 вариант)
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e-------------------------------------------------- B-----------------15-15-15-----------------13-13-13 G--12-15--------------------12-15------------------ D--------15-13-12-----------------15-13-12--------- A-------------------------------------------------- E-------------------------------------------------- e------------------------------------- B-----------------10-10-10b----------- G--12-15--------------------12--10b--- D--------15-13-12-------------------12 A------------------------------------- E-------------------------------------