Fungeoneer

Chapter 6: Knapsack Problem

You have entered the sixth dungeon. You stand at the bottom of the staircase where you entered, facing east. You consult the map:

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[d..[ut=%Zmw%D%a/]][]]]]][omGTcz6V:K/7cc-V]z..........][[[[..................]][
]XTo8KlOZAtwE.JmYt6j/YiLNzN[][[][[][U<...<.:........].[][][..................[]]
[hWbQLhx%me4bU7F9[]][][][]]]][[]][]]iEae7f5l_exUcGmg].[][[[........<.........[][
[[[[[a]][][[][[[][[[][[][][[][[]]]][][][[]][[][]][]]]..............:.........]]]
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][i]]]][[]][[[[]]][[[[[]]]][[].[[]][[[]][[]]]][[]][[[[]]]]]]]][][]][b[][][[][[]]
][c[[[][[]]]][[[[[[[]][][]N4%32yeC:ydBy_w6vTj][]][[[[.5Ciiv70AQ3gH:-tVW49j]]]]]]
[]Y.=ljz%Einvub.yoLAL_T<d1:][..]..[..Y...[yd<]]]][[[[_][]]]\........d....][][[]]
[]2]1h\Yb70ZfNWBBZ%WyNBf=[][E<.=mvbeM34:y<[3j.dNATA.e=][[][8........<oBnk<]]]]]]
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]][][[][]][][[[[[[][[[[]]][][]][][]]][[[[][[]][[[[]]]]][[][]][][]]][[][[[]][]]][

This dungeon introduces tiles with getters (marked a through z on the map) and setters (marked A through Z). These tiles operate on your inventory slots, also known as registers. Each register stores a number, all initially zero. Register names are case-insensitive: both a and A refer to register A. Registers P, R, and S are missing from your inventory and the map.

When you trigger a getter tile, read the number from the corresponding register, then push that number onto the stack. For a setter tile, pop a number from the stack, then write that number to the corresponding register.

After how many ticks do you leave the dungeon?

From here, you can continue to the answer.

Example

Consider an example dungeon:

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

The log below shows you exploring the example dungeon, with your location marked @ on the map. The status lines now also show the most recently used registers.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z@59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: []  Dx: East  Co: (11, 2)  Tk: 0
A: 0  B: 0  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  K: 0  L: 0  ...

---

You go east. You take 5.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<@9B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5]  Dx: East  Co: (12, 2)  Tk: 1
A: 0  B: 0  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  K: 0  L: 0  ...

---

You go east. You take 9.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<5@B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 9]  Dx: East  Co: (13, 2)  Tk: 2
A: 0  B: 0  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  K: 0  L: 0  ...

---

You go east. You write 9 to register B.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59@[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5]  Dx: East  Co: (14, 2)  Tk: 3
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  K: 0  L: 0  ...

---

A wall blocks your way east. You turn left.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59@[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5]  Dx: North  Co: (14, 2)  Tk: 4
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  K: 0  L: 0  ...

---

You go north. You take 7.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX8@C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7]  Dx: North  Co: (14, 1)  Tk: 5
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  K: 0  L: 0  ...

---

A wall blocks your way north. You turn left.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX8@C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7]  Dx: West  Co: (14, 1)  Tk: 6
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  K: 0  L: 0  ...

---

You go west. You take 8.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX@7C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7, 8]  Dx: West  Co: (13, 1)  Tk: 7
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  K: 0  L: 0  ...

---

You go west. You write 8 to register X.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3c@87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7]  Dx: West  Co: (12, 1)  Tk: 8
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  K: 0  X: 8  ...

---

You go west. You read 0 from register C.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3@X87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7, 0]  Dx: West  Co: (11, 1)  Tk: 9
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  K: 0  X: 8  ...

---

You go west. You take 3.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb@cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7, 0, 3]  Dx: West  Co: (10, 1)  Tk: 10
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  K: 0  X: 8  ...

---

You go west. You read 9 from register B.

[]]]]]]]]]]]]][]]]][
]a\xx25:y@3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7, 0, 3, 9]  Dx: West  Co: (9, 1)  Tk: 11
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  K: 0  X: 8  ...

---

You go west. You read 0 from register Y.

[]]]]]]]]]]]]][]]]][
]a\xx25:@b3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7, 0, 3, 9, 0]  Dx: West  Co: (8, 1)  Tk: 12
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 8  Y: 0  ...

---

You go west. You duplicate 0.

[]]]]]]]]]]]]][]]]][
]a\xx25@yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7, 0, 3, 9, 0, 0]  Dx: West  Co: (7, 1)  Tk: 13
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 8  Y: 0  ...

---

You go west. You take 5.

[]]]]]]]]]]]]][]]]][
]a\xx2@:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7, 0, 3, 9, 0, 0, 5]  Dx: West  Co: (6, 1)  Tk: 14
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 8  Y: 0  ...

---

You go west. You take 2.

[]]]]]]]]]]]]][]]]][
]a\xx@5:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7, 0, 3, 9, 0, 0, 5, 2]  Dx: West  Co: (5, 1)  Tk: 15
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 8  Y: 0  ...

---

You go west. You read 8 from register X.

[]]]]]]]]]]]]][]]]][
]a\x@25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7, 0, 3, 9, 0, 0, 5, 2, 8]  Dx: West  Co: (4, 1)  Tk: 16
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 8  Y: 0  ...

---

You go west. You read 8 from register X.

[]]]]]]]]]]]]][]]]][
]a\@x25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7, 0, 3, 9, 0, 0, 5, 2, 8, 8]  Dx: West  Co: (3, 1)  Tk: 17
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 8  Y: 0  ...

---

You go west. You swap 8 and 8.

[]]]]]]]]]]]]][]]]][
]a@xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7, 0, 3, 9, 0, 0, 5, 2, 8, 8]  Dx: West  Co: (2, 1)  Tk: 18
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 8  Y: 0  ...

---

You go west. You read 0 from register A.

[]]]]]]]]]]]]][]]]][
]@\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7, 0, 3, 9, 0, 0, 5, 2, 8, 8, 0]  Dx: West  Co: (1, 1)  Tk: 19
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 8  Y: 0  ...

---

A wall blocks your way west. You turn right.

[]]]]]]]]]]]]][]]]][
]@\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7, 0, 3, 9, 0, 0, 5, 2, 8, 8, 0]  Dx: North  Co: (1, 1)  Tk: 20
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 8  Y: 0  ...

---

A wall blocks your way north. You turn right.

[]]]]]]]]]]]]][]]]][
]@\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7, 0, 3, 9, 0, 0, 5, 2, 8, 8, 0]  Dx: East  Co: (1, 1)  Tk: 21
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 8  Y: 0  ...

---

You go east. You swap 8 and 0.

[]]]]]]]]]]]]][]]]][
]a@xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7, 0, 3, 9, 0, 0, 5, 2, 8, 0, 8]  Dx: East  Co: (2, 1)  Tk: 22
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 8  Y: 0  ...

---

You go east. You read 8 from register X.

[]]]]]]]]]]]]][]]]][
]a\@x25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7, 0, 3, 9, 0, 0, 5, 2, 8, 0, 8, 8]  Dx: East  Co: (3, 1)  Tk: 23
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 8  Y: 0  ...

---

You go east. You read 8 from register X.

[]]]]]]]]]]]]][]]]][
]a\x@25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7, 0, 3, 9, 0, 0, 5, 2, 8, 0, 8, 8, 8]  Dx: East  Co: (4, 1)  Tk: 24
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 8  Y: 0  ...

---

You go east. You take 2.

[]]]]]]]]]]]]][]]]][
]a\xx@5:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [5, 7, 0, 3, 9, 0, 0, 5, 2, 8, 0, 8, 8, 8, 2]  Dx: East  Co: (5, 1)  Tk: 25
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 8  Y: 0  ...

---

You go east. You take 5.

[]]]]]]]]]]]]][]]]][
]a\xx2@:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 3, 9, 0, 0, 5, 2, 8, 0, 8, 8, 8, 2, 5]  Dx: East  Co: (6, 1)  Tk: 26
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 8  Y: 0  ...

---

You go east. You duplicate 5.

[]]]]]]]]]]]]][]]]][
]a\xx25@yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 9, 0, 0, 5, 2, 8, 0, 8, 8, 8, 2, 5, 5]  Dx: East  Co: (7, 1)  Tk: 27
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 8  Y: 0  ...

---

You go east. You read 0 from register Y.

[]]]]]]]]]]]]][]]]][
]a\xx25:@b3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 0, 0, 5, 2, 8, 0, 8, 8, 8, 2, 5, 5, 0]  Dx: East  Co: (8, 1)  Tk: 28
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 8  Y: 0  ...

---

You go east. You read 9 from register B.

[]]]]]]]]]]]]][]]]][
]a\xx25:y@3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 0, 5, 2, 8, 0, 8, 8, 8, 2, 5, 5, 0, 9]  Dx: East  Co: (9, 1)  Tk: 29
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 8  Y: 0  ...

---

You go east. You take 3.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb@cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 5, 2, 8, 0, 8, 8, 8, 2, 5, 5, 0, 9, 3]  Dx: East  Co: (10, 1)  Tk: 30
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 8  Y: 0  ...

---

You go east. You read 0 from register C.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3@X87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 2, 8, 0, 8, 8, 8, 2, 5, 5, 0, 9, 3, 0]  Dx: East  Co: (11, 1)  Tk: 31
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 8  Y: 0  ...

---

You go east. You write 0 to register X.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3c@87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 5, 2, 8, 0, 8, 8, 8, 2, 5, 5, 0, 9, 3]  Dx: East  Co: (12, 1)  Tk: 32
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 0  Y: 0  ...

---

You go east. You take 8.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX@7C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 2, 8, 0, 8, 8, 8, 2, 5, 5, 0, 9, 3, 8]  Dx: East  Co: (13, 1)  Tk: 33
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 0  Y: 0  ...

---

You go east. You take 7.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX8@C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 8, 0, 8, 8, 8, 2, 5, 5, 0, 9, 3, 8, 7]  Dx: East  Co: (14, 1)  Tk: 34
A: 0  B: 9  C: 0  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 0  Y: 0  ...

---

You go east. You write 7 to register C.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87@184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 2, 8, 0, 8, 8, 8, 2, 5, 5, 0, 9, 3, 8]  Dx: East  Co: (15, 1)  Tk: 35
A: 0  B: 9  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 0  Y: 0  ...

---

You go east. You take 1.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C@84]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 8, 0, 8, 8, 8, 2, 5, 5, 0, 9, 3, 8, 1]  Dx: East  Co: (16, 1)  Tk: 36
A: 0  B: 9  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 0  Y: 0  ...

---

You go east. You take 8.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C1@4]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 0, 8, 8, 8, 2, 5, 5, 0, 9, 3, 8, 1, 8]  Dx: East  Co: (17, 1)  Tk: 37
A: 0  B: 9  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 0  Y: 0  ...

---

You go east. You take 4.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C18@]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 8, 8, 8, 2, 5, 5, 0, 9, 3, 8, 1, 8, 4]  Dx: East  Co: (18, 1)  Tk: 38
A: 0  B: 9  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 0  Y: 0  ...

---

A wall blocks your way east. You turn right.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C18@]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 8, 8, 2, 5, 5, 0, 9, 3, 8, 1, 8, 4]  Dx: South  Co: (18, 1)  Tk: 39
A: 0  B: 9  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 0  Y: 0  ...

---

You go south. You write 4 to register Y.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..@[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 8, 8, 8, 2, 5, 5, 0, 9, 3, 8, 1, 8]  Dx: South  Co: (18, 2)  Tk: 40
A: 0  B: 9  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 0  Y: 4  ...

---

You go south. You take 3.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB703@[
[]][][][][]]]][]][]]

St: [..., 8, 8, 2, 5, 5, 0, 9, 3, 8, 1, 8, 3]  Dx: South  Co: (18, 3)  Tk: 41
A: 0  B: 9  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 0  Y: 4  ...

---

A wall blocks your way south. You turn right.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB703@[
[]][][][][]]]][]][]]

St: [..., 8, 8, 8, 2, 5, 5, 0, 9, 3, 8, 1, 8, 3]  Dx: West  Co: (18, 3)  Tk: 42
A: 0  B: 9  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 0  Y: 4  ...

---

You go west. You take 3.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB70@3[
[]][][][][]]]][]][]]

St: [..., 8, 8, 2, 5, 5, 0, 9, 3, 8, 1, 8, 3, 3]  Dx: West  Co: (17, 3)  Tk: 43
A: 0  B: 9  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 0  Y: 4  ...

---

You go west. You take 0.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7@33[
[]][][][][]]]][]][]]

St: [..., 8, 2, 5, 5, 0, 9, 3, 8, 1, 8, 3, 3, 0]  Dx: West  Co: (16, 3)  Tk: 44
A: 0  B: 9  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 0  Y: 4  ...

---

You go west. You take 7.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB@033[
[]][][][][]]]][]][]]

St: [..., 2, 5, 5, 0, 9, 3, 8, 1, 8, 3, 3, 0, 7]  Dx: West  Co: (15, 3)  Tk: 45
A: 0  B: 9  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 0  Y: 4  ...

---

You go west. You write 7 to register B.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2Zz@7033[
[]][][][][]]]][]][]]

St: [..., 8, 2, 5, 5, 0, 9, 3, 8, 1, 8, 3, 3, 0]  Dx: West  Co: (14, 3)  Tk: 46
A: 0  B: 7  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  J: 0  X: 0  Y: 4  ...

---

You go west. You read 0 from register Z.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2Z@B7033[
[]][][][][]]]][]][]]

St: [..., 2, 5, 5, 0, 9, 3, 8, 1, 8, 3, 3, 0, 0]  Dx: West  Co: (13, 3)  Tk: 47
A: 0  B: 7  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go west. You write 0 to register Z.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2@zB7033[
[]][][][][]]]][]][]]

St: [..., 8, 2, 5, 5, 0, 9, 3, 8, 1, 8, 3, 3, 0]  Dx: West  Co: (12, 3)  Tk: 48
A: 0  B: 7  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go west. You take 2.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax@ZzB7033[
[]][][][][]]]][]][]]

St: [..., 2, 5, 5, 0, 9, 3, 8, 1, 8, 3, 3, 0, 2]  Dx: West  Co: (11, 3)  Tk: 49
A: 0  B: 7  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go west. You read 0 from register X.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8a@2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 5, 5, 0, 9, 3, 8, 1, 8, 3, 3, 0, 2, 0]  Dx: West  Co: (10, 3)  Tk: 50
A: 0  B: 7  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go west. You read 0 from register A.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y8@x2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 5, 0, 9, 3, 8, 1, 8, 3, 3, 0, 2, 0, 0]  Dx: West  Co: (9, 3)  Tk: 51
A: 0  B: 7  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go west. You take 8.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_y@ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 0, 9, 3, 8, 1, 8, 3, 3, 0, 2, 0, 0, 8]  Dx: West  Co: (8, 3)  Tk: 52
A: 0  B: 7  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go west. You read 4 from register Y.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x_@8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 9, 3, 8, 1, 8, 3, 3, 0, 2, 0, 0, 8, 4]  Dx: West  Co: (7, 3)  Tk: 53
A: 0  B: 7  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go west. You drop 4.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3x@y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 0, 9, 3, 8, 1, 8, 3, 3, 0, 2, 0, 0, 8]  Dx: West  Co: (6, 3)  Tk: 54
A: 0  B: 7  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go west. You read 0 from register X.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B3@_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 9, 3, 8, 1, 8, 3, 3, 0, 2, 0, 0, 8, 0]  Dx: West  Co: (5, 3)  Tk: 55
A: 0  B: 7  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go west. You take 3.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16B@x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 3, 8, 1, 8, 3, 3, 0, 2, 0, 0, 8, 0, 3]  Dx: West  Co: (4, 3)  Tk: 56
A: 0  B: 7  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go west. You write 3 to register B.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]16@3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 9, 3, 8, 1, 8, 3, 3, 0, 2, 0, 0, 8, 0]  Dx: West  Co: (3, 3)  Tk: 57
A: 0  B: 3  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go west. You take 6.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]1@B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 3, 8, 1, 8, 3, 3, 0, 2, 0, 0, 8, 0, 6]  Dx: West  Co: (2, 3)  Tk: 58
A: 0  B: 3  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go west. You take 1.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]@6B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 8, 1, 8, 3, 3, 0, 2, 0, 0, 8, 0, 6, 1]  Dx: West  Co: (1, 3)  Tk: 59
A: 0  B: 3  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

A wall blocks your way west. You turn right.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.Z<59B[..Y[
]@6B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 8, 1, 8, 3, 3, 0, 2, 0, 0, 8, 0, 6, 1]  Dx: North  Co: (1, 3)  Tk: 60
A: 0  B: 3  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go north. You turn right because 6 > 1.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[@8.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 9, 3, 8, 1, 8, 3, 3, 0, 2, 0, 0, 8, 0]  Dx: East  Co: (1, 2)  Tk: 61
A: 0  B: 3  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go east. You take 8.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=@.Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 3, 8, 1, 8, 3, 3, 0, 2, 0, 0, 8, 0, 8]  Dx: East  Co: (2, 2)  Tk: 62
A: 0  B: 3  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go east.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8@Ax0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 3, 8, 1, 8, 3, 3, 0, 2, 0, 0, 8, 0, 8]  Dx: East  Co: (3, 2)  Tk: 63
A: 0  B: 3  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go east. You write 8 to register A.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.@x0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 9, 3, 8, 1, 8, 3, 3, 0, 2, 0, 0, 8, 0]  Dx: East  Co: (4, 2)  Tk: 64
A: 8  B: 3  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go east. You read 0 from register X.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.A@0.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 3, 8, 1, 8, 3, 3, 0, 2, 0, 0, 8, 0, 0]  Dx: East  Co: (5, 2)  Tk: 65
A: 8  B: 3  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go east. You take 0.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax@.a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 8, 1, 8, 3, 3, 0, 2, 0, 0, 8, 0, 0, 0]  Dx: East  Co: (6, 2)  Tk: 66
A: 8  B: 3  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go east.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0@a.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 8, 1, 8, 3, 3, 0, 2, 0, 0, 8, 0, 0, 0]  Dx: East  Co: (7, 2)  Tk: 67
A: 8  B: 3  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go east. You read 8 from register A.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.@.Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 1, 8, 3, 3, 0, 2, 0, 0, 8, 0, 0, 0, 8]  Dx: East  Co: (8, 2)  Tk: 68
A: 8  B: 3  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go east.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a@Z<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 1, 8, 3, 3, 0, 2, 0, 0, 8, 0, 0, 0, 8]  Dx: East  Co: (9, 2)  Tk: 69
A: 8  B: 3  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 0  ...

---

You go east. You write 8 to register Z.

[]]]]]]]]]]]]][]]]][
]a\xx25:yb3cX87C184]
[=8.Ax0.a.@<59B[..Y[
]16B3x_y8ax2ZzB7033[
[]][][][][]]]][]][]]

St: [..., 8, 1, 8, 3, 3, 0, 2, 0, 0, 8, 0, 0, 0]  Dx: East  Co: (10, 2)  Tk: 70
A: 8  B: 3  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 8  ...

---

You go east. You go upstairs.

St: [..., 5, 0, 9, 3, 8, 1, 8, 3, 3, 0, 2, 0, 0, 8, 0, 0, 0]  Dx: East  Tk: 71
A: 8  B: 3  C: 7  D: 0  E: 0  F: 0  G: 0  H: 0  I: 0  X: 0  Y: 4  Z: 8  ...

You leave the example dungeon after 71 ticks.