Cipher Challenge
Measuring an Invisible Wind
Introduction
A scientific explanation of instruments and indirect observations used to measure air movement.
Count overlapping units and compare their distributions.
Live output700 overlapping units
| Unit | Count | Share | Rank |
|---|---|---|---|
| O | 98 | 14.0% | 1 |
| B | 65 | 9.3% | 2 |
| Q | 58 | 8.3% | 3 |
| A | 56 | 8.0% | 4 |
| Y | 56 | 8.0% | 5 |
| H | 54 | 7.7% | 6 |
| Z | 48 | 6.9% | 7 |
| D | 46 | 6.6% | 8 |
| V | 27 | 3.9% | 9 |
| P | 25 | 3.6% | 10 |
| T | 25 | 3.6% | 11 |
| X | 21 | 3.0% | 12 |
1
UYBT XHBBDA JO QOOB TYZOXAVE,
25
QD YBQAZWPOBAQ POHQWZO YAQ
48
OKKOXAQ. H XWI HBOPDPOAOZ
69
ZDAHAOQ HQ PDGYBC HYZ IWQFOQ
93
YAQ XWIQ, HBT AFO ZDAHAYDB ZHAO
118
YQ XDBGOZAOT AD UYBT QIOOT. H
141
UYBT GHBO HVYCBQ UYAF AFO KVDU
166
AD YBTYXHAO TYZOXAYDB. QDBYX
190
HBOPDPOAOZQ QOBT QDWBT
210
IWVQOQ JOAUOOB QOBQDZQ;
230
TYKKOZOBXOQ YB AZHGOV AYPO
253
ZOGOHV FDU RWYXLVE HYZ PDGOQ
277
HVDBC QOGOZHV HNOQ. UOHAFOZ
300
JHVVDDBQ AZHXL UYBTQ FYCFOZ
324
YB AFO HAPDQIFOZO, UFYVO ZHTHZ
349
XHB YBKOZ PDAYDB KZDP
367
IZOXYIYAHAYDB DZ QWQIOBTOT
391
IHZAYXVOQ. OGOZE POHQWZOPOBA
416
TOIOBTQ DB VDXHAYDB.
433
JWYVTYBCQ, AZOOQ, AOZZHYB, HBT
457
YBQAZWPOBA FOYCFA HVAOZ
478
HYZKVDU, QD UOHAFOZ QAHAYDBQ
502
KDVVDU IVHXOPOBA QAHBTHZTQ
526
UFOB IDQQYJVO. H QYBCVO BWPJOZ
551
QWPPHZYMOQ XDPIVON,
568
AWZJWVOBA PDAYDB. ZOIOHAOT
591
DJQOZGHAYDBQ HXZDQQ AYPO HBT
616
QIHXO PHLO AFO YBGYQYJVO
637
PDGOPOBA WQOKWV KDZ
654
KDZOXHQAYBC, HGYHAYDB,
673
OBCYBOOZYBC, HBT OBOZCE
693
IVHBBYBC.
Compare word shapes, terminals, contacts, and reversals.
Live output122 words · 104 distinct
| Word | Pattern | Count | Start positions |
|---|---|---|---|
HBT | 1.2.3 | 4 | 100, 454, 613, 684 |
AFO | 1.2.3 | 4 | 103, 159, 326, 625 |
UYBT | 1.2.3.4 | 3 | 1, 131, 141 |
H | 1 | 3 | 55, 140, 538 |
QD | 1.2 | 2 | 25, 485 |
YAQ | 1.2.3 | 2 | 45, 93 |
HYZ | 1.2.3 | 2 | 84, 269 |
AD | 1.2 | 2 | 129, 166 |
YB | 1.2 | 2 | 241, 324 |
AYPO | 1.2.3.4 | 2 | 249, 609 |
UOHAFOZ | 1.2.3.4.5.2.6 | 2 | 293, 487 |
PDAYDB | 1.2.3.4.2.5 | 2 | 357, 577 |
Terminals
| Sequence | Initial | Final |
|---|---|---|
BT | 0 | 9 |
OQ | 0 | 9 |
DB | 1 | 8 |
OZ | 0 | 7 |
YB | 7 | 3 |
YDB | 0 | 7 |
HB | 6 | 1 |
BA | 0 | 5 |
BC | 0 | 5 |
OBA | 0 | 5 |
PD | 5 | 0 |
UY | 5 | 0 |
Contacts
| Letter | Left | Right |
|---|---|---|
A | 10: H 13, B 6, D 5, Q 5, Y 4, O 3, X 3, Z 2, F 1, V 1 | 11: Y 13, O 9, F 7, H 5, Z 5, Q 4, D 2, P 1, U 1, V 1, W 1 |
B | 7: Y 19, O 16, D 14, H 11, B 2, C 1, W 1 | 12: T 14, C 8, Q 7, A 6, O 5, B 2, G 2, Y 2, D 1, K 1, W 1, X 1 |
C | 3: B 8, Y 3, Z 1 | 6: F 2, B 1, E 1, Q 1, V 1, Y 1 |
D | 12: Y 9, P 8, V 6, Q 5, Z 4, K 3, A 2, X 2, B 1, D 1, F 1, I 1 | 12: B 14, A 5, P 4, U 4, Z 4, G 3, Q 3, D 1, J 1, V 1, W 1, X 1 |
E | 3: V 2, C 1, Z 1 | 0: — |
F | 5: A 7, C 2, U 2, I 1, Q 1 | 4: O 11, Y 2, A 1, D 1 |
G | 5: D 3, O 3, B 2, H 2, Z 1 | 3: O 7, Y 3, H 2 |
H | 11: O 6, Z 6, A 5, X 5, G 2, I 2, P 2, T 2, V 2, J 1, Y 1 | 11: A 13, B 11, V 6, Q 4, X 4, Y 4, Z 4, G 2, L 1, N 1, T 1 |
I | 5: Q 4, O 2, W 2, P 1, Y 1 | 9: O 4, V 3, H 2, W 2, D 1, F 1, Q 1, Y 1, Z 1 |
J | 4: Y 2, D 1, P 1, Z 1 | 5: O 3, V 2, W 2, H 1, Q 1 |
K | 5: K 2, O 2, B 1, Y 1, Z 1 | 6: D 3, O 3, K 2, V 2, W 1, Z 1 |
L | 2: X 2, H 1 | 2: O 1, V 1 |
Reversals
OZ 17 · ZO 11BO 5 · OB 16BY 2 · YB 19AH 5 · HA 13AY 13 · YA 4OP 5 · PO 11OQ 9 · QO 7BD 1 · DB 14AO 9 · OA 3DP 4 · PD 8GO 7 · OG 3HZ 4 · ZH 6A
B
Plain
ABCDEFGHIJKLMNOPQRSTUVWXYZThe cipher alphabet must contain exactly 26 letters.