Table:
(In thousands)	Total	2020	2021-2022	2023-2024	Thereafter

Operating leases (1)	$19,437	$4,143	$7,111	$3,686	$4,497

Capital leases	65	27	38	—	—

Asset retirement obligation	400	—	150	250

Total contractual obligations (2)	$19,902	$4,170	$7,299	$3,936	$4,497

A merged cell in a table could be represented by the JSON {'top-left':(x, y), 'bottom-right':(m, n)}, where '(x, y)' and '(m, n)' signify the (row_id, column_id) of the top-left and bottom-right cells in the merged area. Using the shown table image, locate all merged cells and provide their coordinates in this format. Bear in mind that row and column IDs begin from 1.

This table does not contain any merged cells.