diff --git a/python/oct2/level4/routeCipher2.py b/python/oct2/level4/routeCipher2.py
new file mode 100644
index 0000000..4330a35
--- /dev/null
+++ b/python/oct2/level4/routeCipher2.py
@@ -0,0 +1,66 @@
+from math import ceil
+
+
+def f(row: int, col: int, rows: int) -> int:
+    return col*rows + row
+
+
+def i_f(x: int, rows: int) -> tuple[int, int]:
+    return x // rows, x % rows
+
+
+def encodeRouteCipher(message: str, rows: int) -> str:
+    cur_char = "z"
+    row_len = ceil(len(message) / rows)
+    while len(message) % rows != 0:
+        message += cur_char
+        cur_char = chr(ord(cur_char) - 1)
+    encoded_string = ""
+    for i in range(len(message)):
+        row, col = i_f(i, row_len)
+        encoded_string += message[f(row, col, rows)]
+    encoded_message = f"{rows}"
+    for i in range(0, rows):
+        if i % 2 == 0:
+            encoded_message += encoded_string[i*row_len:(i+1)*row_len]
+        else:
+            encoded_message += encoded_string[i*row_len:(i+1)*row_len][::-1]
+    return encoded_message
+
+
+def decodeRouteCipher(encodedMessage: str) -> str:
+    decoded_message = ""
+    rows = int(encodedMessage[0])
+    encoded_string = encodedMessage[1:]
+    row_len = ceil(len(encoded_string) / rows)
+    decoded_string = ""
+    for i in range(rows):
+        if i % 2 == 0:
+            decoded_string += encoded_string[i*row_len:(i+1)*row_len]
+        else:
+            decoded_string += encoded_string[i*row_len:(i+1)*row_len][::-1]
+    for i in range(len(decoded_string)):
+        row, col = i_f(i, rows)
+        decoded_message += decoded_string[f(row, col, row_len)]
+    while decoded_message[-1].islower():
+        decoded_message = decoded_message[:-1]
+    return decoded_message
+
+
+print("Testing encodeRouteCipher()...", end="")
+assert encodeRouteCipher("ASECRETMESSAGE", 4) == "4AREGESESETSzyAMC"
+assert encodeRouteCipher("ASECRETMESSAGE", 3) == "3ACTSGESMRSEEEAz"
+assert encodeRouteCipher("ASECRETMESSAGE", 5) == "5AESATSEMGEECRSz"
+assert encodeRouteCipher("ANOTHERSECRET", 4) == "4AHETzCENORRyxEST"
+
+
+print("Testing decodeRouteCipher()...", end="")
+assert decodeRouteCipher("4AREGESESETSzyAMC") == "ASECRETMESSAGE"
+assert decodeRouteCipher("3ACTSGESMRSEEEAz") == "ASECRETMESSAGE"
+assert decodeRouteCipher("5AESATSEMGEECRSz") == "ASECRETMESSAGE"
+assert decodeRouteCipher("4AHETzCENORRyxEST") == "ANOTHERSECRET"
+message = "SECRETSTUFFGOESHERE"
+encodedMessage = encodeRouteCipher(message, 6)
+plaintext = decodeRouteCipher(encodedMessage)
+assert plaintext == message
+print("Passed!")