Table:
Māgha Pūjā

The Buddha giving a discourse on Māgha Pūjā

Also called	Saṅgha Day[1][2]
Fourfold Assembly Day[1]
Observed by	Cambodian, Lao, Burmese, Sri Lankan and Thai Theravāda Buddhists
Type	Buddhist, cultural
Significance	A historical meeting was held between the Buddha and his first 1,250 disciples
Celebrations	Shwedagon Pagoda Festival
Observances	procession with light, general merit-making activities
Date	Full moon day of the 3rd lunar month
Related to	Chotrul Duchen (in Tibet)
Daeboreum (in Korea)
Koshōgatsu (in Japan)
Lantern Festival (in China)
Tết Nguyên tiêu (in Vietnam)[3]

A merged cell in a table can be described using the JSON {'top-left':(A, B), 'bottom-right':(C, D)}. Here, '(A, B)' represents the top-left and '(C, D)' the bottom-right cells' (row_id, column_id) of the merged region. Using the displayed table image, identify all such merged cells in this table and report their locations in the given format. Note that the numbering of both row and column IDs starts at 1.

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