Cipher Challenge
Why Streets Keep Their Curves
Introduction
An explanatory account of historical property lines, terrain, transport, and engineering decisions preserved in street layouts.
Count overlapping units and compare their distributions.
Live output643 overlapping units
| Unit | Count | Share | Rank |
|---|---|---|---|
| Z | 92 | 14.3% | 1 |
| X | 53 | 8.2% | 2 |
| P | 51 | 7.9% | 3 |
| L | 46 | 7.2% | 4 |
| E | 45 | 7.0% | 5 |
| H | 44 | 6.8% | 6 |
| Q | 42 | 6.5% | 7 |
| U | 39 | 6.1% | 8 |
| F | 31 | 4.8% | 9 |
| M | 29 | 4.5% | 10 |
| I | 23 | 3.6% | 11 |
| R | 19 | 3.0% | 12 |
1
RCLAUHD XELZZEX QYEZH
20
OLZXZLAZ MZRUXUQHX TPMZ FQHD
45
KZYQLZ TQMZLH ELPYYUR. XQTZ
68
YQFFQJ YQQEOPEIX XIPOZM KG
91
IUFFX, XELZPTX, OLQOZLEG
111
KQCHMPLUZX, QL LQCEZX KZEJZZH
136
JZFFX PHM TPLNZEX. JIZH EQJHX
160
ZSOPHMZM, KCUFMZLX JUMZHZM
183
EIZXZ OPEIX UHXEZPM QY
202
LZOFPRUHD EIZT JUEI XELPUDIE
227
DLUMX. P KZHM TPG TPLN EIZ ZMDZ
251
QY P APHUXIZM JPFF, EIZ YQLTZL
275
KPHN QY P LUAZL, QL P OPLRZF QHRZ
300
QJHZM KG XQTZQHZ CHJUFFUHD EQ
325
XZFF. RCLAZX PFXQ RIPHDZ IQJ P
349
XELZZE YZZFX PHM YCHREUQHX.
372
EIZG FUTUE FQHD AUZJX, XFQJ
394
AZIURFZX, PHM LZAZPF
411
KCUFMUHDX DLPMCPFFG.
429
ZHDUHZZLX XQTZEUTZX
447
XELPUDIEZH LQPMX YQL
465
RPOPRUEG, KCE MQUHD XQ RPH
486
ZLPXZ ZAUMZHRZ QY ZPLFUZL
508
FPHMXRPOZX. LZPMUHD P XELZZE
532
TPO PRLQXX MUYYZLZHE OZLUQMX
557
XIQJX EIPE CLKPH YQLT UX
577
RCTCFPEUAZ. PXOIPFE TPG KZ
599
LZRZHE ZAZH JIZH EIZ LQCEZ
621
KZHZPEI UE UX RZHECLUZX QFM.
Compare word shapes, terminals, contacts, and reversals.
Live output125 words · 106 distinct
| Word | Pattern | Count | Start positions |
|---|---|---|---|
P | 1 | 6 | 232, 253, 281, 289, 348, 525 |
QY | 1.2 | 4 | 200, 251, 279, 499 |
PHM | 1.2.3 | 3 | 141, 360, 402 |
EIZ | 1.2.3 | 3 | 244, 266, 613 |
FQHD | 1.2.3.4 | 2 | 41, 381 |
KG | 1.2 | 2 | 89, 305 |
QL | 1.2 | 2 | 121, 287 |
JIZH | 1.2.3.4 | 2 | 151, 609 |
TPG | 1.2.3 | 2 | 237, 594 |
XELZZE | 1.2.3.4.4.2 | 2 | 349, 526 |
UX | 1.2 | 2 | 575, 630 |
RCLAUHD | 1.2.3.4.5.6.7 | 1 | 1 |
Terminals
| Sequence | Initial | Final |
|---|---|---|
EI | 7 | 2 |
HD | 0 | 7 |
ZX | 0 | 7 |
EIZ | 6 | 3 |
TP | 6 | 0 |
XE | 6 | 0 |
XEL | 6 | 0 |
ZH | 1 | 6 |
KZ | 5 | 1 |
QY | 5 | 4 |
UHD | 0 | 5 |
YQ | 5 | 0 |
Contacts
| Letter | Left | Right |
|---|---|---|
A | 3: L 3, Z 3, U 2 | 3: Z 7, U 3, P 1 |
C | 7: K 3, Q 3, R 3, E 1, M 1, T 1, Y 1 | 7: L 4, E 3, H 3, U 2, F 1, P 1, T 1 |
D | 3: H 10, U 2, M 1 | 5: I 2, L 2, Z 2, U 1, X 1 |
E | 12: X 7, Z 6, P 5, U 4, C 3, H 3, I 2, F 1, L 1, Q 1, R 1, Y 1 | 10: I 11, L 7, Z 5, U 3, G 2, Q 2, X 2, C 1, J 1, O 1 |
F | 10: F 7, P 5, U 4, Z 4, Q 2, C 1, L 1, O 1, R 1, X 1 | 9: F 7, Q 4, X 4, M 3, P 3, U 3, E 1, G 1, Z 1 |
G | 5: E 2, K 2, P 2, F 1, Z 1 | 0: — |
H | 7: Z 14, P 10, U 8, Q 6, C 3, J 2, L 1 | 9: D 10, M 7, Z 5, X 4, E 3, R 3, J 1, N 1, U 1 |
I | 7: E 11, X 3, D 2, J 2, O 1, R 1, Z 1 | 6: Z 9, P 4, E 2, Q 2, U 2, X 2 |
J | 4: Q 6, E 1, H 1, Z 1 | 6: U 3, H 2, I 2, X 2, Z 2, P 1 |
K | 1: L 1 | 5: Z 5, C 3, G 2, P 2, Q 1 |
L | 8: Z 11, E 7, Q 6, P 5, C 4, D 2, O 2, R 1 | 13: Z 11, P 5, Q 5, U 5, A 3, N 2, T 2, X 2, E 1, F 1, H 1, K 1, R 1 |
M | 6: H 7, Z 6, P 5, F 3, U 3, Q 2 | 7: Z 7, X 4, U 3, C 1, D 1, P 1, Q 1 |
Reversals
LZ 11 · ZL 11HZ 5 · ZH 14EI 11 · IE 2MZ 7 · ZM 6XZ 4 · ZX 9EZ 5 · ZE 6LQ 5 · QL 6QY 5 · YQ 6AZ 7 · ZA 3IZ 9 · ZI 1LP 5 · PL 5EX 2 · XE 7A
B
Plain
ABCDEFGHIJKLMNOPQRSTUVWXYZThe cipher alphabet must contain exactly 26 letters.