Cipher Challenge
The Memory of Ice
Introduction
A scientific explanation of how ice cores preserve layered evidence about earlier atmospheres and environments.
Count overlapping units and compare their distributions.
Live output694 overlapping units
| Unit | Count | Share | Rank |
|---|---|---|---|
| I | 92 | 13.3% | 1 |
| F | 68 | 9.8% | 2 |
| P | 57 | 8.2% | 3 |
| V | 56 | 8.1% | 4 |
| S | 53 | 7.6% | 5 |
| H | 49 | 7.1% | 6 |
| L | 45 | 6.5% | 7 |
| G | 44 | 6.3% | 8 |
| N | 36 | 5.2% | 9 |
| K | 34 | 4.9% | 10 |
| M | 29 | 4.2% | 11 |
| X | 23 | 3.3% | 12 |
1
JKPNLPK LNI UVIFIVRIF
20
IRLMISNI HQ UPFG
34
ISRLVHSDISGF. PF FSHZ
52
PNNXDXKPGIF, UVIFFXVI
71
NHDUVIFFIF KHZIV KPWIVF LSGH
96
LNI PSM GVPUF GLSW CXCCKIF HQ
120
PSNLISG PLV. FNLISGLFGF MVLKK
145
NWKLSMVLNPK NHVIF PSM FGXMW
169
GOHFI CXCCKIF GH DIPFXVI
190
QHVDIV NHSNISGVPGLHSF HQ
212
JPFIF FXNO PF NPVCHS MLHTLMI
236
PSM DIGOPSI. MXFG, FIP FPKGF,
258
RHKNPSLN PFO, PSM LFHGHUIF LS
282
GOI LNI UVHRLMI PMMLGLHSPK
305
NKXIF PCHXG ZLSMF, IVXUGLHSF,
329
GIDUIVPGXVI, PSM FSHZQPKK.
351
MIIUIV KPWIVF PVI JISIVPKKW
375
HKMIV, PKGOHXJO GOI VINHVM NPS
400
CI MLFGHVGIM ZOIVI LNI QKHZF
424
HRIV XSIRIS JVHXSM. NHXSGLSJ
448
FIPFHSPK CPSMF VIFIDCKIF
470
VIPMLSJ GVII VLSJF, CXG RIVW
493
HKM FINGLHSF VIEXLVI DHMIKF
517
PSM NHDUPVLFHSF PDHSJ
536
FIRIVPK DIPFXVIDISGF. PS LNI
560
NHVI LF SHG P UIVQING
577
VINHVMLSJ. LG LF P UOWFLNPK
599
PVNOLRI ZOHFI HRIVKPUULSJ
622
FLJSPKF PKKHZ VIFIPVNOIVF GH
647
VINHSFGVXNG NKLDPGIF GOPG SH
672
OXDPS LSFGVXDISG HCFIVRIM.
Compare word shapes, terminals, contacts, and reversals.
Live output123 words · 105 distinct
| Word | Pattern | Count | Start positions |
|---|---|---|---|
PSM | 1.2.3 | 6 | 99, 161, 236, 269, 340, 517 |
LNI | 1.2.3 | 5 | 8, 96, 285, 416, 557 |
HQ | 1.2 | 3 | 28, 118, 210 |
PF | 1.2 | 2 | 46, 221 |
KPWIVF | 1.2.3.4.5.6 | 2 | 86, 357 |
CXCCKIF | 1.2.1.1.3.4.5 | 2 | 111, 174 |
GH | 1.2 | 2 | 181, 645 |
GOI | 1.2.3 | 2 | 282, 388 |
LF | 1.2 | 2 | 564, 588 |
P | 1 | 2 | 569, 590 |
JKPNLPK | 1.2.3.4.5.3.2 | 1 | 1 |
UVIFIVRIF | 1.2.3.4.3.2.5.3.4 | 1 | 11 |
Terminals
| Sequence | Initial | Final |
|---|---|---|
IF | 0 | 11 |
PS | 8 | 3 |
SM | 0 | 7 |
VI | 7 | 7 |
NH | 6 | 0 |
NI | 0 | 6 |
PK | 2 | 6 |
PSM | 6 | 6 |
IV | 1 | 5 |
LN | 5 | 1 |
LNI | 5 | 5 |
SJ | 0 | 5 |
Contacts
| Letter | Left | Right |
|---|---|---|
C | 6: C 2, X 2, D 1, H 1, P 1, V 1 | 7: K 3, X 3, C 2, H 2, F 1, I 1, P 1 |
D | 7: I 3, X 3, H 2, L 1, P 1, S 1, V 1 | 6: I 7, U 3, H 2, P 2, C 1, X 1 |
E | 1: I 1 | 1: X 1 |
F | 16: I 16, P 8, L 6, S 6, G 4, V 3, F 2, H 2, K 2, M 2, C 1, J 1, U 1, W 1, X 1, Z 1 | 10: I 12, G 7, X 4, H 3, F 2, L 2, S 2, N 1, O 1, P 1 |
G | 11: S 8, F 7, P 5, N 3, H 2, K 2, L 2, X 2, I 1, U 1, V 1 | 7: L 7, O 6, H 5, V 5, F 4, I 4, X 2 |
H | 12: N 9, G 5, L 5, S 4, F 3, K 3, O 3, V 3, C 2, D 2, Q 1, R 1 | 14: S 11, V 6, Z 5, X 4, K 3, Q 3, R 3, D 2, F 2, G 2, C 1, M 1, T 1, U 1 |
I | 19: V 20, F 12, R 8, D 7, N 7, M 6, G 4, O 4, U 4, K 3, S 3, I 2, L 2, W 2, C 1, J 1, Q 1, X 1, Z 1 | 13: V 18, F 16, S 10, P 6, N 5, D 3, R 3, I 2, M 2, E 1, G 1, K 1, U 1 |
J | 3: S 6, L 1, X 1 | 7: F 1, I 1, K 1, O 1, P 1, S 1, V 1 |
K | 12: P 12, K 4, C 3, H 3, N 2, I 1, J 1, L 1, Q 1, V 1, W 1, X 1 | 11: P 5, K 4, H 3, I 3, F 2, G 2, L 2, M 2, N 1, W 1, X 1 |
L | 14: G 7, M 5, V 4, N 3, R 3, F 2, K 2, O 1, P 1, S 1, T 1, U 1, X 1, Z 1 | 13: S 11, N 8, F 6, H 5, M 3, V 3, G 2, I 2, D 1, J 1, K 1, P 1, R 1 |
M | 9: S 10, L 3, I 2, K 2, P 2, V 2, H 1, M 1, X 1 | 7: I 6, L 5, F 2, V 2, M 1, W 1, X 1 |
N | 9: L 8, I 5, S 3, P 2, V 2, X 2, F 1, K 1, N 1 | 10: H 9, I 7, P 5, G 3, L 3, O 3, K 2, N 1, W 1, X 1 |
Reversals
IV 18 · VI 20FI 12 · IF 16KP 5 · PK 12PS 13 · SP 3HS 11 · SH 4IS 10 · SI 3IN 5 · NI 7LS 11 · SL 1FG 7 · GF 4IR 3 · RI 8LN 8 · NL 3DI 7 · ID 3A
B
Plain
ABCDEFGHIJKLMNOPQRSTUVWXYZThe cipher alphabet must contain exactly 26 letters.