             }
             printf(" (");
             for (SizeT j=row_offsets[i];j<row_offsets[i+1];j++)
-            {   
+            {
                 if (j!=row_offsets[i]) printf(" , ");
                 util::PrintValue(column_indices[j]);
                 if (edge_values != NULL)

        if (LOAD_EDGE_VALUES) {
            WriteToFile(output_file, nodes, edges,
                        row_offsets, column_indices, edge_values);
            //WriteToLigraFile(output_file, nodes, edges,
            //            row_offsets, column_indices, edge_values);
        } else {
            WriteToFile(output_file, nodes, edges,
                        row_offsets, column_indices);

                    printf(",");
                    util::PrintValue(edge_values[j]);
                }
            }
            printf(")\n");
        }

        /*if (edge_values != NULL)
        {
            printf("\n edge_values = ");
            for (SizeT i=0;i<displayed_node_num;i++)
            {
                printf("(");
                for (SizeT j=row_offsets[i];j<row_offsets[i+1];j++)
                {
                    if (j!=row_offsets[i]) printf(", ");
                    util::PrintValue(edge_values[j]);
                }
                printf(") ");
            }
        }*/

        printf("\n");
    }

    bool CheckValue()
    {
