Number group		Front design		Designators		Earliest known date	
	
			--------------------------------------------------------------------------------------------

			161,000,001		Handy Hints		T-a1 to T-a4		July 2011
			   to
			161,100,000

			161,100,001		Handy Hints		T-b1 to T-b4		July 2011
			   to
			161,200,000

			161,200,001		Handy Hints		T-b1 to T-b4		July 2011
			   to						and T-c1 to T-c4	July 2011
			161,300,000

			161,300,001		Handy Hints		T-c1 to T-c4		August 2011
			   to
			161,400,000

			161,400,001		Handy Hints		T-d1 to T-d4		August 2011
			   to
			161,500,000

			161,500,001		Handy Hints		T-d1 to T-d4		August 2011
			   to						and T-a1 to T-a4	August 2011
			161,600,000

			161,600,001		Handy Hints		T-a1 to T-a4		August 2011
			   to						and T-b1 to T-b4	August 2011
			161,700,000

			161,700,001		Handy Hints		T-b1 to T-b4		August 2011
			   to
			161,800,000

			161,800,001		Handy Hints		T-b1 to T-b4		August 2011
			   to						and T-c1 to T-c4	August 2011
			161,900,000

			161,900,001		Handy Hints		T-c1 to T-c4		August 2011
			   to
			162,000,000