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Level III Challenges

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Challenge "Double Column Transposition Reloaded — Part 1"
By: admin on Dec. 11, 2013, 8:09 p.m.
5
6275
By: Theofanidis  
Jan. 18, 2023, 11:28 p.m.
Challenge "A Heavy SZ42 Challenge – Part 14"
By: admin on Dec. 30, 2022, 12:59 p.m.
5
194
By: newton  
Dec. 30, 2022, 6:45 p.m.
Challenge "The Syllabary Cipher -- Part 5"
By: admin on Oct. 28, 2022, 1:34 p.m.
3
330
By: madness  
Nov. 8, 2022, 3:21 a.m.
[  Go to the page:  1, 2  ]
Challenge "Cipher ID — Part 1"
By: admin on Nov. 10, 2019, 2:43 p.m.
19
4720
By: RandyWaterhouse  
March 4, 2022, 8:23 a.m.
Challenge "Substitution Cipher with Non-Prefix Codes"
By: admin on June 15, 2011, 11:01 a.m.
7
25617
By: george4096  
Jan. 5, 2022, 7:52 p.m.
Challenge "SIGABA CSP-2900 — Part 3"
By: admin on July 31, 2021, 6:03 p.m.
0
587
By: admin  
July 31, 2021, 6:03 p.m.
Challenge "SIGABA CSP-889 — Part 3"
By: admin on June 1, 2021, 1:45 p.m.
0
607
By: admin  
June 1, 2021, 1:45 p.m.
Challenge "CMEA 2"
By: admin on Dec. 6, 2010, 8:24 p.m.
4
15497
By: be  
April 30, 2021, 11:11 a.m.
Challenge "Handycipher — Part 3"
By: admin on March 3, 2015, 11:40 p.m.
6
6244
By: RobertThomas  
March 1, 2021, 11:27 p.m.
Challenge "The SIGABA Challenge — Part 6"
By: admin on April 5, 2020, 6:47 p.m.
1
649
By: jerva  
Feb. 7, 2021, 9:41 p.m.
Challenge "The Heavy T52 Sturgeon Challenge — Part 9"
By: admin on April 30, 2020, 1:03 p.m.
0
556
By: admin  
April 30, 2020, 1:03 p.m.
Challenge "The Heavy T52 Sturgeon Challenge — Part 8"
By: admin on April 24, 2020, 4:56 p.m.
0
499
By: admin  
April 24, 2020, 4:56 p.m.
Challenge "The Heavy T52 Sturgeon Challenge — Part 7"
By: admin on April 23, 2020, 12:30 p.m.
0
476
By: admin  
April 23, 2020, 12:30 p.m.
Challenge "The Heavy T52 Sturgeon Challenge — Part 6"
By: admin on April 22, 2020, 3:06 p.m.
0
443
By: admin  
April 22, 2020, 3:06 p.m.
Challenge "The Heavy T52 Sturgeon Challenge — Part 5"
By: admin on April 21, 2020, 12:33 p.m.
0
473
By: admin  
April 21, 2020, 12:33 p.m.
Challenge "The Heavy T52 Sturgeon Challenge — Part 4"
By: admin on April 15, 2020, 12:24 p.m.
0
439
By: admin  
April 15, 2020, 12:24 p.m.
Challenge "The SIGABA Challenge — Part 5"
By: admin on March 26, 2020, 1:03 p.m.
0
434
By: admin  
March 26, 2020, 1:03 p.m.
Challenge "The SIGABA Challenge — Part 4"
By: admin on March 17, 2020, 8:15 p.m.
0
489
By: admin  
March 17, 2020, 8:15 p.m.
Challenge "The SIGABA Challenge — Part 3"
By: admin on March 11, 2020, 9:10 p.m.
0
515
By: admin  
March 11, 2020, 9:10 p.m.
Challenge "The Heavy T52 Sturgeon Challenge — Part 3"
By: admin on Oct. 26, 2019, 6:50 p.m.
0
531
By: admin  
Oct. 26, 2019, 6:50 p.m.
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