Table:
December 31,	Depreciable

(dollars in millions)	2019	2018	Lives (Years)

Land and rights-of-way	$117.2	$117.2	20 - Indefinite

Buildings and leasehold improvements	315.4	305.2	5 - 40

Network equipment	4,044.6	3,913.3	2 - 50

Office software, furniture, fixtures and vehicles	229.3	216.3	2-14

Construction in process	38.9	47.1	n/a

Gross value	4,745.4	4,599.1

Accumulated depreciation	(2,964.6)	(2,755.1)

Property, plant and equipment, net	$1,780.8	$1,844.0

In tables, merged cells are often found and we can denote them as JSON {'top-left':(A, B), 'bottom-right':(C, D)}, with '(A, B)' and '(C, D)' indicating the (row_id, column_id) of the top-left and bottom-right cells of the merged region. Please scan the table image provided, find all occurrences of merged cells, and return their coordinates in the stated format. It's important to remember that row and column IDs begin from 1.

This table does not contain any merged cells.