Table:
Name

Street address

Years as tallest

# of Years as tallest

Height
m / ft

Floors

Reference

Notre Dame Basilica

110 Notre-Dame Street West

1829–1928

99 years

69 / 226

7

[51][52]

Royal Bank Building

360 Saint Jacques Street West

1928–1931

3 years

121 / 397

22

[53][54]

Sun Life Building

1155 Metcalfe Street

1931–1962

31 years

122 / 400

26

[45][46]

Tour CIBC

1155 René Lévesque Boulevard West

1962

<1 year

187 / 614

45

[9][10]

Place Ville Marie

1 Place Ville-Marie

1962–1964

2 years

188 / 617

47

[7][8]

Tour de la Bourse

800 Victoria Square

1964–1992

28 years

194 / 637

47

[5][6]

1000 de La Gauchetière

1000 De La Gauchetière Street West

1992–present

25 years (current)

205 / 673

51

[55][56]

Examine the table in this image and extract any merged cell regions. Please format the merged cell regions as JSON {'top-left':(A, B), 'bottom-right':(C, D)}, with (A, B) indicating the (row_id, column_id) of the top-left cell and (C, D) the bottom-right cell in the merged regions. Remember that the A, B, C, D all start from 1.

This table does not contain any merged cells.