CHAPTER 4
5 6
0 FREE 9 0 0 0 0 8 4 8 6 0 0 4 4 7 8
FREE 9 0 0 4 4
0 4 FREE 5 6 7 4 9 9 FREE
4 4 5 9 6 8 4 8 6 0 0 4
0 0 0 5