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     1 #include <iostream>  | 
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     2 #include <vector>  | 
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     3 #include <string>  | 
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     4   | 
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     5 #include "marci_list_graph.hh"  | 
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     6 #include "marci_graph_traits.hh"  | 
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     7 #include "marci_property_vector.hh"  | 
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     8 #include "preflow_push.hh"  | 
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     9   | 
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    10 using namespace marci;  | 
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    11   | 
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    12   | 
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    13 int main (int, char*[])  | 
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    14 { | 
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    15   typedef graph_traits<list_graph>::node_iterator node_iterator;  | 
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    16   typedef graph_traits<list_graph>::edge_iterator edge_iterator;  | 
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    17   typedef graph_traits<list_graph>::each_node_iterator each_node_iterator;  | 
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    18   typedef graph_traits<list_graph>::each_edge_iterator each_edge_iterator;  | 
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    19   typedef graph_traits<list_graph>::out_edge_iterator out_edge_iterator;  | 
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    20   typedef graph_traits<list_graph>::in_edge_iterator in_edge_iterator;  | 
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    21   typedef graph_traits<list_graph>::sym_edge_iterator sym_edge_iterator;  | 
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    22   | 
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    23   list_graph flow_test;  | 
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    24    | 
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    25     | 
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    26   //Ahuja könyv példája  | 
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    27   node_iterator s=flow_test.add_node();  | 
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    28   node_iterator v2=flow_test.add_node();  | 
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    29   node_iterator v3=flow_test.add_node();  | 
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    30   node_iterator v4=flow_test.add_node();  | 
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    31   node_iterator v5=flow_test.add_node();  | 
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    32   node_iterator t=flow_test.add_node();  | 
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    33     | 
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    34   node_property_vector<list_graph, std::string> node_name(flow_test);  | 
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    35   node_name.put(s, "s");    | 
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    36   node_name.put(v2, "v2");  | 
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    37   node_name.put(v3, "v3");  | 
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    38   node_name.put(v4, "v4");  | 
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    39   node_name.put(v5, "v5");  | 
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    40   node_name.put(t, "t");  | 
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    41   | 
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    42     | 
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    43   edge_iterator s_v2=flow_test.add_edge(s, v2);  | 
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    44   edge_iterator s_v3=flow_test.add_edge(s, v3);  | 
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    45     | 
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    46   edge_iterator v2_v4=flow_test.add_edge(v2, v4);  | 
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    47   edge_iterator v2_v5=flow_test.add_edge(v2, v5);  | 
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    48   | 
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    49   edge_iterator v3_v5=flow_test.add_edge(v3, v5);  | 
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    50   | 
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    51   edge_iterator v4_t=flow_test.add_edge(v4, t);  | 
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    52   edge_iterator v5_t=flow_test.add_edge(v5, t);  | 
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    53     | 
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    54   //Kis modositas  | 
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    55   edge_iterator v2_s=flow_test.add_edge(v2, s);  | 
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    56   | 
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    57   edge_property_vector<list_graph, int> cap(flow_test);    | 
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    58   cap.put(s_v2, 10);  | 
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    59   cap.put(s_v3, 10);  | 
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    60   cap.put(v2_v4, 5);  | 
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    61   cap.put(v2_v5, 8);  | 
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    62   cap.put(v3_v5, 5);  | 
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    63   cap.put(v4_t, 8);  | 
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    64   cap.put(v5_t, 8);  | 
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    65   | 
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    66   //Kis modositas  | 
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    67   cap.put(v2_s, 100);  | 
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    68   | 
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    69   //Kis modositas  | 
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    70   //edge_iterator t_s=flow_test.add_edge(t, s);  | 
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    71   //cap.put(t_s, 20);  | 
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    72   | 
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    73     | 
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    74   /*  | 
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    75   //Marci példája  | 
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    76   node_iterator s=flow_test.add_node();  | 
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    77   node_iterator v1=flow_test.add_node();  | 
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    78   node_iterator v2=flow_test.add_node();  | 
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    79   node_iterator v3=flow_test.add_node();  | 
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    80   node_iterator v4=flow_test.add_node();  | 
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    81   node_iterator t=flow_test.add_node();  | 
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    82     | 
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    83   node_property_vector<list_graph, std::string> node_name(flow_test);  | 
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    84   node_name.put(s, "s");  | 
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    85   node_name.put(v1, "v1");  | 
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    86   node_name.put(v2, "v2");  | 
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    87   node_name.put(v3, "v3");  | 
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    88   node_name.put(v4, "v4");  | 
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    89   node_name.put(t, "t");  | 
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    90   | 
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    91   edge_iterator s_v1=flow_test.add_edge(s, v1);  | 
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    92   edge_iterator s_v2=flow_test.add_edge(s, v2);  | 
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    93   edge_iterator v1_v2=flow_test.add_edge(v1, v2);  | 
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    94   edge_iterator v2_v1=flow_test.add_edge(v2, v1);  | 
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    95   edge_iterator v1_v3=flow_test.add_edge(v1, v3);  | 
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    96   edge_iterator v3_v2=flow_test.add_edge(v3, v2);  | 
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    97   edge_iterator v2_v4=flow_test.add_edge(v2, v4);  | 
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    98   edge_iterator v4_v3=flow_test.add_edge(v4, v3);  | 
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    99   edge_iterator v3_t=flow_test.add_edge(v3, t);  | 
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   100   edge_iterator v4_t=flow_test.add_edge(v4, t);  | 
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   101     | 
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   102   edge_property_vector<list_graph, int> cap(flow_test);    | 
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   103   cap.put(s_v1, 16);  | 
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   104   cap.put(s_v2, 13);  | 
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   105   cap.put(v1_v2, 10);  | 
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   106   cap.put(v2_v1, 4);  | 
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   107   cap.put(v1_v3, 12);  | 
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   108   cap.put(v3_v2, 9);  | 
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   109   cap.put(v2_v4, 14);  | 
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   110   cap.put(v4_v3, 7);  | 
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   111   cap.put(v3_t, 20);  | 
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   112   cap.put(v4_t, 4);  | 
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   113   */   | 
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   114   /*Egyszerű példa  | 
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   115   node_iterator s=flow_test.add_node();  | 
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   116   node_iterator v1=flow_test.add_node();  | 
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   117   node_iterator v2=flow_test.add_node();  | 
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   118   node_iterator t=flow_test.add_node();  | 
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   119     | 
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   120   node_property_vector<list_graph, std::string> node_name(flow_test);  | 
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   121   node_name.put(s, "s");  | 
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   122   node_name.put(v1, "v1");  | 
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   123   node_name.put(v2, "v2");  | 
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   124   node_name.put(t, "t");  | 
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   125   | 
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   126   edge_iterator s_v1=flow_test.add_edge(s, v1);  | 
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   127   edge_iterator v1_v2=flow_test.add_edge(v1, v2);  | 
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   128   edge_iterator v2_t=flow_test.add_edge(v2, t);  | 
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   129   | 
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   130   edge_property_vector<list_graph, int> cap(flow_test);   | 
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   131       | 
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   132   cap.put(s_v1, 16);  | 
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   133   cap.put(v1_v2, 10);  | 
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   134   cap.put(v2_t, 4);  | 
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   135   */  | 
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   136   | 
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   137   std::cout << "preflow-push algorithm test..." << std::endl;  | 
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   138   std::cout << "on directed graph graph" << std::endl; //<< flow_test;  | 
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   139   std::cout << "names and capacity values" << std::endl;   | 
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   140   for(each_node_iterator i=flow_test.first_node(); i.valid(); ++i) {  | 
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   141     std::cout << node_name.get(i) << ": ";  | 
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   142     std::cout << "out edges: ";  | 
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   143     for(out_edge_iterator j=flow_test.first_out_edge(i); j.valid(); ++j)   | 
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   144       std::cout << node_name.get(flow_test.tail(j)) << "-"<< cap.get(j) << "->" << node_name.get(flow_test.head(j)) << " ";  | 
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   145     std::cout << "in edges: ";  | 
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   146     for(in_edge_iterator j=flow_test.first_in_edge(i); j.valid(); ++j)   | 
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   147       std::cout << node_name.get(flow_test.tail(j)) << "-"<< cap.get(j) << "->" << node_name.get(flow_test.head(j)) << " ";  | 
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   148     std::cout << std::endl;  | 
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   149   }  | 
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   150   | 
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   151     | 
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   152   //for(each_node_iterator i=flow_test.first_node(); i.valid(); ++i) {  | 
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   153   //  std::cout << i << " ";  | 
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   154   //}  | 
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   155     | 
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   156   preflow_push<list_graph, int> preflow_push_test(flow_test, s, t, cap);  | 
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   157   cout << preflow_push_test.run()<<endl;  | 
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   158   | 
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   159   //cap.put(v5_t, 9);  | 
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   160   //cout << preflow_push_test.run()<<endl;  | 
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   161   | 
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   162   return 0;  | 
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   163 }  | 
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   164   | 
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   165   | 
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   166   | 
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   167   | 
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   168   | 
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   169   | 
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   170   | 
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   171   | 
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   172   |