3|/3| | 9/ | 3| 9{ 3{ | | | 9} 9} 3 3 9 9| | | 3| 9- remove 3

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3|/3| | 9/ | 3| 9{ 3{ | | | 9} 9} 3 3 9 9| | | 3| 9- remove 3 and 9 and see the magic

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