Quiz 9 - Version B - Solution
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Problem 1
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Iteration:      Reached:                Processed:
1               {d:g, r:g, n:g}         {g:0}
2               {r:g, n:g, f:d}         {g:0, d:g}
3               {r:g, n:g, j:f, l:f}    {g:0, d:g, f:d}

Problem 2
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{g:0, d:g, f:d, j:f}