QM pattern

QM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM patternQM pattern

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