When Emily moved the box of cereal she found another note from Hanora, it said:
Emily said out loud:
Emily then turned the note over and it said: "note number 2 of 12"
Emily then realized Hanora wasn't saying "HI" to her, but leaving part of word. Emily now knew she would have to collect ALL the notes (12 of them) and put them together.
The only way out of the pantry was South, back to the Kitchen.