Cipher Challenge
To the Keeper of Room Twelve
Introduction
A formal letter thanking an unknown caretaker for preserving a small but important shared space.
Count overlapping units and compare their distributions.
Live output612 overlapping units
| Unit | Count | Share | Rank |
|---|---|---|---|
| F | 80 | 13.1% | 1 |
| P | 53 | 8.7% | 2 |
| J | 47 | 7.7% | 3 |
| W | 47 | 7.7% | 4 |
| C | 43 | 7.0% | 5 |
| E | 43 | 7.0% | 6 |
| B | 40 | 6.5% | 7 |
| M | 35 | 5.7% | 8 |
| Q | 27 | 4.4% | 9 |
| R | 25 | 4.1% | 10 |
| Y | 25 | 4.1% | 11 |
| D | 22 | 3.6% | 12 |
1
QFWE YWEFPWHFE, J MPWIFQ JC
23
EBBK PNFRXF QOEJCT PDF
42
EWJCMPBEK RWMP BYPBAFE. IBO
65
KWI EFKFKAFE PDF RFWHJCT
86
TOPPFE, PDF YDFMMABWEQ NJPD
109
BCF NDJPF ZWNC KJMMJCT, WCQ PDF
134
BEWCTF YWP NDB JCMZFYPFQ
155
FXFEI MOJPYWMF. J WK NEJPJCT
178
AFYWOMF J WYYJQFCPWRRI
198
YWEEJFQ WNWI PDF EBBK’M MKWRR
222
ZBFPEI ABBH. JP NWM NFQTFQ
243
JCMJQF KI CBPFABBH, WCQ J
263
QJMYBXFEFQ JP BCRI WUPFE
284
EFWYDJCT DBKF. PDF ABBH JM
305
FCYRBMFQ, WRBCT NJPD W
323
EFZRWYFKFCP ZWNC J YWEXFQ
345
UEBK KWZRF. JP JM CBP ZFEUFYPRI
370
MDWZFQ, AOP JP MPWCQM OZEJTDP
394
WCQ HCBNM NDJYD QJEFYPJBC PB
418
PEWXFR. PDWCH IBO UBE HFFZJCT
442
PDF HJPYDFC BZFC RWPF WCQ UBE
466
UJCQJCT QEI MBYHM UBE PDEFF
489
MPEWCQFQ YIYRJMPM. IBOE JCC
512
POECFQ W KJMFEWARF FXFCJCT
535
JCPB W MPBEI NF MPJRR FCVBI
557
PFRRJCT. ZRFWMF TJXF PDF YWP KI
582
EFMZFYPUOR EFTWEQM.
599
MJCYFEFRI, ZWXFR.
Compare word shapes, terminals, contacts, and reversals.
Live output127 words · 99 distinct
| Word | Pattern | Count | Start positions |
|---|---|---|---|
PDF | 1.2.3 | 8 | 39, 76, 92, 131, 209, 296 +2 |
J | 1 | 5 | 14, 168, 185, 262, 338 |
WCQ | 1.2.3 | 4 | 128, 259, 394, 460 |
JP | 1.2 | 4 | 232, 273, 354, 379 |
W | 1 | 3 | 322, 518, 539 |
UBE | 1.2.3 | 3 | 432, 463, 481 |
IBO | 1.2.3 | 2 | 62, 429 |
NJPD | 1.2.3.4 | 2 | 105, 318 |
ZWNC | 1.2.3.4 | 2 | 117, 334 |
YWP | 1.2.3 | 2 | 140, 577 |
ABBH | 1.2.2.3 | 2 | 228, 299 |
KI | 1.2 | 2 | 249, 580 |
Terminals
| Sequence | Initial | Final |
|---|---|---|
CT | 0 | 10 |
FQ | 0 | 10 |
PD | 10 | 2 |
JCT | 0 | 9 |
DF | 0 | 8 |
PDF | 8 | 8 |
EF | 5 | 0 |
FE | 0 | 5 |
JC | 5 | 1 |
MP | 5 | 1 |
YW | 5 | 0 |
CQ | 0 | 4 |
Contacts
| Letter | Left | Right |
|---|---|---|
A | 5: B 1, F 1, K 1, M 1, W 1 | 4: B 4, F 3, O 1, R 1 |
B | 14: B 5, P 5, A 4, C 3, E 3, I 3, U 3, D 2, R 2, J 1, M 1, V 1, Y 1, Z 1 | 16: E 6, B 5, C 4, K 4, H 3, O 3, P 2, Y 2, A 1, F 1, I 1, M 1, N 1, W 1, X 1, Z 1 |
C | 8: J 17, W 8, F 7, B 4, N 2, C 1, E 1, H 1 | 12: T 11, Q 7, B 3, M 3, P 3, F 2, Y 2, C 1, H 1, J 1, R 1, V 1 |
D | 5: P 12, Y 4, N 3, M 1, T 1 | 6: F 10, J 3, B 2, W 2, E 1, P 1 |
E | 12: F 10, B 6, W 6, O 3, P 3, D 1, E 1, J 1, N 1, Q 1, U 1, Z 1 | 11: F 10, W 5, I 4, J 4, B 3, Q 2, C 1, E 1, K 1, U 1, X 1 |
F | 20: D 10, E 10, X 8, P 7, M 5, Z 5, Q 4, R 4, A 3, K 3, N 3, C 2, F 2, H 2, T 2, Y 2, B 1, I 1, J 1, U 1 | 14: Q 11, E 10, C 7, R 5, Y 5, W 4, K 3, F 2, M 2, P 2, X 2, Z 2, A 1, T 1 |
H | 4: B 3, W 2, C 1, Y 1 | 4: F 2, J 2, C 1, M 1 |
I | 6: E 4, R 4, W 3, K 2, B 1, Y 1 | 3: B 3, F 1, Y 1 |
J | 16: E 4, D 3, M 3, P 3, Q 3, H 2, K 2, N 2, R 2, C 1, O 1, T 1, U 1, W 1, Y 1, Z 1 | 11: C 17, P 10, M 6, Q 2, B 1, E 1, F 1, R 1, T 1, X 1, Y 1 |
K | 5: B 4, F 3, E 1, M 1, W 1 | 5: F 3, W 3, I 2, J 2, A 1 |
M | 11: J 6, W 4, C 3, F 2, M 2, Q 2, B 1, H 1, N 1, O 1, P 1 | 11: P 8, F 5, J 3, M 2, Z 2, A 1, B 1, D 1, K 1, O 1, Y 1 |
N | 3: W 3, B 1, P 1 | 7: D 3, F 3, C 2, J 2, W 2, E 1, M 1 |
Reversals
EF 10 · FE 10CJ 1 · JC 17FQ 11 · QF 4DP 1 · PD 12JP 10 · PJ 3EW 5 · WE 6FX 2 · XF 8WY 3 · YW 7BE 6 · EB 3CF 2 · FC 7FP 2 · PF 7FR 5 · RF 4A
B
Plain
ABCDEFGHIJKLMNOPQRSTUVWXYZThe cipher alphabet must contain exactly 26 letters.