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BipartiteMatchingsHungarianMethod: Matrix
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Take 3 lines to cover rows with {1, 0, 0, 0} and columns with {1, 1, 0, 0}
Smallest uncovered value 1.
Zero elements of reduced cost matrix: {{1, 3}, {1, 4}, {2, 2}, {2, 3}, {3, 1}, {3, 2}, {4, 1}}
Remaining zero elements of reduced cost matrix: {{2, 2}, {2, 3}, {3, 1}, {3, 2}, {4, 1}}
Remaining zero elements of reduced cost matrix: {{3, 1}, {3, 2}, {4, 1}}
Remaining zero elements of reduced cost matrix: {{4, 1}}
Remaining zero elements of reduced cost matrix: {{0, 0}}
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Unique total cost of 20. by assignments: {{1, 4}, {2, 3}, {3, 2}, {4, 1}}
BipartiteMatchingsHungarianMethod: Matrix
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