def largestRectangle(h):
	def checkR(number, index, h):
			counter = 0
			for element in range((index +1), len(h)):
					if number <= h[element]:
							counter+=1
					else:
							break
			return counter

	def checkL(number, index, h):
			counter = 0
			for element in reversed(range(index)):
					if number <= h[element]:
							counter+=1
					else:
							break
			return counter