PUZZLE #5436: Enigma Machine (diff 5)

enigma learn difficulty: 5/7 reason author: system unsolved

Simulated Enigma (mixed 3-rotor Enigma). Rotors start at HRU.

DATA

Ciphertext	`ZIAAYCSPHNY`
Rotor Order	`III, V, I`
Initial Positions	`HRU`
Reflector	`B`
Wiring	{ "III": "BDFHJLCPRTXVZNYEIWGAKMUSQO", "V": "VZBRGITYUPSDNHLXAWMJQOFECK", "I": "EKMFLGDQVZNTOWYHXUSPAIBRCJ" }
Hint	`Enigma with rotors III, V, I, start HRU. Rotor order matters. The answer is the plaintext word padded with X's.`
Answer Format	`lowercase decoded message, no spaces`

{
  "type": "enigma",
  "ciphertext": "ZIAAYCSPHNY",
  "rotor_order": [
    "III",
    "V",
    "I"
  ],
  "initial_positions": "HRU",
  "reflector": "B",
  "wiring": {
    "III": "BDFHJLCPRTXVZNYEIWGAKMUSQO",
    "V": "VZBRGITYUPSDNHLXAWMJQOFECK",
    "I": "EKMFLGDQVZNTOWYHXUSPAIBRCJ"
  },
  "note": "Simulate the Enigma. Same machine encrypts and decrypts.",
  "hint": "Enigma with rotors III, V, I, start HRU. Rotor order matters. The answer is the plaintext word padded with X's.",
  "answer_format": "lowercase decoded message, no spaces"
}

author's note: Pool fill: enigma diff 5