Array (
	0 => Array (
		[A] = 10
		[B] = 25
		[C] = 35
	)
	1 => Array (
		[A] = 15
		[B] = 20
		[C] = 50
	)
)

Change to...

Array (
	25 => Array (
		[A] = 10
		[C] = 35
	)
	20 => Array (
		[A] = 15
		[C] = 50
	)
)