Table:
rider	manufacturer	laps	time	grid

marco simoncelli	gilera	23	41:01.859	4

alvaro bautista	aprilia	23	+ 0.039	1

héctor barbera	aprilia	23	+ 11.291	3

alex debon	aprilia	23	+ 21.373	2

thomas luthi	aprilia	23	+ 26.621	12

mattia pasini	aprilia	23	+ 26.720	5

hiroshi aoyama	ktm	23	+ 35.818	8

héctor faubel	aprilia	23	+ 36.321	6

julian simon	ktm	23	+ 36.964	10

lukas pesek	aprilia	23	+ 41.237	16

ratthapark wilairot	honda	23	+ 52.391	14

yuki takahashi	honda	23	+ 56.656	7

alex baldolini	aprilia	23	+ 59.282	19

manuel poggiali	gilera	23	+ 1:02.503	17

fabrizio lai	gilera	23	+ 1:02.656	18

eugene laverty	aprilia	23	+ 1:07.418	20

russel gomez	aprilia	23	+ 1 lap	21

doni tata pradita	yamaha	23	+ 1 lap	24

mika kallio	ktm	19	retirement	9

imre toth	aprilia	9	retirement	22

karel abraham	aprilia	7	accident	15

aleix espargaro	aprilia	2	retirement	13

daniel arcas	honda	2	accident	23

roberto locatelli	gilera	0	accident	11

Based on this table picture, can you identify any merged cells and give their coordinates in the JSON format {'top-left':(x, y), 'bottom-right':(m, n)}, where (x, y) and (m, n) correspond to the top-left and bottom-right (row_id, column_id) of the merged area? The row_id and column_id should start from 1 rather than 0.

This table does not contain any merged cells.