Table:
round	name	position	school	signed

1	bob stinson	c	miami - dade college	yes

2	richard schryer	of	university of michigan	yes

3	james carter	3b	trinity university	yes

4	john green	rhp	gulf coast community college	no

5	john herbst	lhp	university of southern california	no twins - 1967

A merged cell in a table can be described using the JSON {'top-left':(x, y), 'bottom-right':(m, n)}. Here, '(x, y)' represents the top-left and '(m, n)' 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.

This table does not contain any merged cells.