no deletion:


5 insertions:
	 after index of first sequence: 1 (b)
		 inserted indexes from second sequence: 2 (d)
	 after index of first sequence: 1 (b)
		 inserted indexes from second sequence: 3 (e)
	 after index of first sequence: 2 (c)
		 inserted indexes from second sequence: 5 (f)
	 after index of first sequence: 2 (c)
		 inserted indexes from second sequence: 6 (g), 7 (c)