UNKNOWN focusable has_input_focus label='Table example - thead, tbody, tfoot'
++UNKNOWN hidden
++++UNKNOWN hidden
++++++TABLE number_of_rows=4 number_of_columns=2
++++++++ROW_GROUP hidden
++++++++++TABLE_ROW
++++++++++++COLUMN_HEADER label='Sum' cell_row_span=1 cell_column_span=1
++++++++++++++STATIC_TEXT label='Sum'
++++++++++++++++UNKNOWN label='Sum'
++++++++++++COLUMN_HEADER label='Subtraction' cell_column_index=1 cell_row_span=1 cell_column_span=1
++++++++++++++STATIC_TEXT label='Subtraction'
++++++++++++++++UNKNOWN label='Subtraction'
++++++++ROW_GROUP hidden
++++++++++TABLE_ROW row_index=1
++++++++++++CELL label='10' cell_row_index=1 cell_row_span=1 cell_column_span=1
++++++++++++++STATIC_TEXT label='10'
++++++++++++++++UNKNOWN label='10'
++++++++++++CELL label='7' cell_row_index=1 cell_column_index=1 cell_row_span=1 cell_column_span=1
++++++++++++++STATIC_TEXT label='7'
++++++++++++++++UNKNOWN label='7'
++++++++++TABLE_ROW row_index=2
++++++++++++CELL label='2' cell_row_index=2 cell_row_span=1 cell_column_span=1
++++++++++++++STATIC_TEXT label='2'
++++++++++++++++UNKNOWN label='2'
++++++++++++CELL label='4' cell_row_index=2 cell_column_index=1 cell_row_span=1 cell_column_span=1
++++++++++++++STATIC_TEXT label='4'
++++++++++++++++UNKNOWN label='4'
++++++++ROW_GROUP hidden
++++++++++TABLE_ROW row_index=3
++++++++++++CELL label='12' cell_row_index=3 cell_row_span=1 cell_column_span=1
++++++++++++++STATIC_TEXT label='12'
++++++++++++++++UNKNOWN label='12'
++++++++++++CELL label='3' cell_row_index=3 cell_column_index=1 cell_row_span=1 cell_column_span=1
++++++++++++++STATIC_TEXT label='3'
++++++++++++++++UNKNOWN label='3'