Table:
MGM Grand Las Vegas

Location	Paradise, Nevada
Address	3799 South Las Vegas Boulevard
Opening date	December 18, 1993; 30 years ago (1993-12-18)
Theme	Art Deco
Hollywood
No. of rooms	6,852
Total gaming space	171,500 sq ft (15,930 m2)
Permanent shows	Brad Garrett's Comedy Club
David Copperfield
Jabbawockeez
Kà
Signature attractions	MGM Grand Garden Arena
Hakkasan
CSI: The Experience
TopGolf
Notable restaurants	Joël Robuchon
L'Atelier de Joël Robuchon
Hakkasan
Emeril's
Michael Mina's Pub 1842
Craftsteak
Wolfgang Puck
Ambra
Shibuya
Casino type	Land-based
Owner	MGM Resorts International
Renovated in	1996–1998, 2005, 2012, 2017–2019
Coordinates	36°06′08″N 115°10′10″W﻿ / ﻿36.1022°N 115.1695°W﻿ / 36.1022; -115.1695
Website	mgmgrand.com

A merged cell in a table could be represented by the JSON {'top-left':(x, y), 'bottom-right':(z, w)}, where '(x, y)' and '(z, w)' 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.

The merged cell region is: {'top-left':(1, 1), 'bottom-right':(1, 2)}.