gistfile1.txt

 db.keys.find().pretty()
{
	"_id" : ObjectId("52e5361f30f28b6b602e4c7f"),
	"0" : "h",
	"1" : "o",
	"2" : "m",
	"3" : "e",
	"4" : ".",
	"5" : "4",
	"5" : "c",
	"6" : "a",
	"7" : "r",
	"8" : "5"
}
{
	"_id" : ObjectId("52e5361f30f28b6b602e4c80"),
	"0" : "h",
	"1" : "o",
	"2" : "m",
	"3" : "e",
	"4" : ".",
	"5" : "4",
	"5" : "c",
	"6" : "a",
	"7" : "r",
	"8" : "5"
}
{
	"keys" : "home4.car3",
	"_id" : ObjectId("52e544e1142819a63ed135d3")
}