[              [          2,4,-6],3,3,[[          3,4,-6],3,3,4,-6],[
                  4,-6],[          2,4,3,3,3,4,-6],[
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   [
   -6 ],
   [[[[        4, -6 ],
   [
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        4, -6 ],
   [
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   [[[[        4, -6 ],
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        4,
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        4, -6 ],
                     3,
        3,
        4, -6 ],
   [
                  4     4