diff --git a/17-Chernobyl/Notes b/17-Chernobyl/Notes
new file mode 100644
index 0000000..d7b3ad7
--- /dev/null
+++ b/17-Chernobyl/Notes
@@ -0,0 +1,52 @@
+
+Hash Table, plus one full box:
+
+5000: 0050 1050 1500 0b00 0300 0500 1650 2c50   .P.P.........P,P
+5010: 0050 2650 2100 4250 a250 0251 6251 c251   .P&P!.BP.P.QbQ.Q
+5020: 2252 8252 e252 1050 3c50 2100 0a00 0000   "R.R.R.P<P!.....
+5030: 0000 0000 0000 0000 0000 0000 2650 9c50   ............&P.P
+5040: b500 4141 4141 4141 4141 4141 4141 4141   ..AAAAAAAAAAAAAA
+5050: 4100 e004 4141 4141 4141 4141 4141 4141   A...AAAAAAAAAAAA
+5060: 4141 4100 e004 4141 4141 4141 4141 4141   AAA...AAAAAAAAAA
+5070: 4141 4141 4100 e004 4141 4141 4141 4141   AAAAA...AAAAAAAA
+5080: 4141 4141 4141 4100 e004 4141 4141 4141   AAAAAAA...AAAAAA
+5090: 4141 4141 4141 4141 4100 e004 4141 4141   AAAAAAAAA...AAAA
+50a0: 4141 4141 4141 4141 4141 4100 e004 4141   AAAAAAAAAAA...AA
+50b0: 4141 4141 4141 4141 4141 4141 4100 e004   AAAAAAAAAAAAA...
+50c0: 4141 4141 4141 4141 4141 4141 4141 4100   AAAAAAAAAAAAAAA.
+50d0: e004 4141 4141 4141 4141 4141 4141 4141   ..AAAAAAAAAAAAAA
+50e0: 4100 e004 4141 4141 4141 4141 4141 4141   A...AAAAAAAAAAAA
+50f0: 4141 4100 e004 4141 4141 4800 9c50 5c51   AAA...AAAAH..P\Q
+5100: b500 0000 0000 e004 0000 0000 0000 0000   ................
+
+Heap metadata @ 4d9e:
+Heap start: 0x5000
+Heap  size: 0x8000 (0x5000-0xD000)
+
+Hash Table Header:
+Hash table header metadata @ 5000: 0050 1050 1500
+   [ Prev: 0x5000, Next: 0x5010, Size: 0x000a ] ; malloc block-header ({size:15,status:1})
+Data: 0b00 0300 0500 1650 2c50
+   00: 000b: Number of registered users(?)
+   02: 0003: Parameter 1 (Box bitmask = 2^(<3>+1) - 1)
+   04: 0005: Parameter 2 (Rightshift?)
+   06: 5016: & Box Pointer List
+   08: 502c: & Other Data Section
+
+Box Pointer List:
+Box list header metadata @ 5010: 0050 2650 2100
+   [ Prev: 5000, Next: 5026, Size: 0010 ]
+Data: 4250 a250 0251 6251 c251 2252 8252 e252
+   00: 5042 & Box 0
+   02: 50a2 & Box 1
+   04: 5102 & Box 2
+   06: 5162 & Box 3
+   08: 51c2 & Box 4
+   0a: 52c2 & Box 5
+   0c: 5282 & Box 6
+   0e: 52e2 & Box 7
+
+Other Data Section (?)
+Section header metadata @ 5026: 1050 3c50 2100
+   [ Prev: 5010, Next: 503c, Size: 0010 ]
+Data: 0a00 0000 0000 0000 0000 0000 0000 0000