1+	test one +this is my test document number one. also checking search within phrases.+ 1,2,3+ 
2+ test two+ this "is my"" test "document number two+ 2,3,4 +	2
3+ another doc+	this "is \nanother" group+	3,4,5+	
4+	doc number four+	this is to test groups+	"4,5,6"+	4
5+	"aaa bbb ccc"+	+"5,6,7"+ 5
