Am primit solutii complete de la Aurel Ionescu, Ştefan Gaţachiu, Zoltan Szabo, Dan Florescu, Viorel Manta, Emil Claudiu Man, Claudia Muşetescu şi Cristian Bălănoiu.

Dani P., AngelaSandu şi Marius Alecsandru au răspuns numai la prima cerinţă.

La primul punct:

Secvența binară B=(0 1 0 1 0 0 1 1 0 1 1 1 1) începe obligatoriu cu două litere C: CC=0101. Urmează două cifre de 0 ce nu se pot decodifica.

La al doilea punct au fost găsite soluţiile (Ştefan Gaţachiu, Zoltan Szabo):

A:

01-01-1-01-1-1-1-1-01   =   CCACAAAAC

01-01-1-01-11-1-1-01    =   CCACDAAC

01-01-1-01-1-11-1-01    =   CCACADAC

01-01-1-01-1-1-11-01    =   CCACAADC

01-01-1-01-11-11-01     =   CCACDDC

01-01-1-01-111-1-01     =   CCACEAC

01-01-1-01-1-111-01     =   CCACAEC

01-01-1-01-1-1-1-101    =   CCACAAAF

01-01-1-01-11-1-101     =   CCACDAF

01-01-1-01-1-11-101     =   CCACADF

01-01-1-01-1-1-110-1    =   CCACAAHA

01-01-1-01-11-110-1     =   CCACDHA

01-01-1-01-111-10-1     =   CCACECA

01-01-1-01-111-101      =   CCACEF

01-01-1-01-1-1-1-10-1  =   CCACAAABA

01-01-1-01-11-1-10-1   =   CCACDABA

01-01-1-01-1-11-10-1   =   CCACADBA

01-01-10-1-1-1-1-1-01  =   CCBAAAAAC

01-01-10-11-1-1-1-01   =   CCBDAAAC

01-01-10-1-11-1-1-01   =   CCBADAAC

01-01-10-1-1-11-1-01   =   CCBAADAC

01-01-10-1-1-1-11-01   =   CCBAAADC

01-01-10-11-11-1-01    =   CCBDDAC

01-01-10-11-1-11-01    =   CCBDADC

01-01-10-1-11-11-01    =   CCBADDC

01-01-10-1-1-111-01    =   CCBAAEC

01-01-10-1-111-1-01    =   CCBAEAC

01-01-10-111-1-1-01    =   CCBEAAC

01-01-10-11-111-01     =   CCBDEC

01-01-10-111-11-01     =   CCBEDC

01-01-101-1-1-1-1-01   =   CCFAAAAC

01-01-101-11-1-1-01    =   CCFDAAC

01-01-101-1-11-1-01    =   CCFADAC

01-01-101-1-1-11-01    =   CCFAADC

01-01-101-11-11-01     =   CCFDDC

01-01-101-1-111-01     =   CCFAEC

01-01-101-111-1-01     =   CCFEAC

01-01-101-1-1-1-101    =   CCFAAAF

01-01-101-11-1-101     =   CCFDAF

01-01-101-1-11-101     =   CCFADF

01-01-101-111-101      =   CCFEF

01-01-1-0111-1-1-01    =   CCAGAAC

01-01-1-0111-11-01     =   CCAGDC

01-01-1-0111-110-1     =   CCAGHA

01-01-1-0111-1-101     =   CCAGAF

C:

 1-1-10-01-1-1-01-01-1     =   AABCAACCA

1-1-10-01-11-01-01-1      =   AABCDCCA

1-1-10-01-1-101-01-1      =   AABCAFCA

1-1-10-01-110-1-01-1      =   AABCHACA

1-1-10-01-110-10-1-1      =   AABCHBAA

1-1-10-01-110-10-11       =   AABCHBD

1-1-10-01-110-101-1       =   AABCHFA

1-1-10-0111-01-01-1       =   AABGCCA

11-10-01-1-1-01-01-1     =   DBCAACCA

11-10-01-11-01-01-1      =   DBCDCCA

11-10-01-1-101-01-1      =   DBCAFCA

11-10-01-110-1-01-1      =   DBCHACA

11-10-01-110-10-1-1      =   DBCHBAA

11-10-01-110-10-11       =   DBCHBD

11-10-01-110-101-1       =   DBCHFA

11-10-0111-01-01-1       =   DBGCCA

1-110-01-1-1-01-01-1     =   AHCAACCA

1-110-01-11-01-01-1      =   AHCDCCA

1-110-01-1-101-01-1      =   AHCAFCA

1-110-01-110-1-01-1      =   AHCHACA

1-110-01-110-10-1-1      =   AHCHBAA

1-110-01-110-10-11       =   AHCHBD

1-110-01-110-101-1       =   AHCHFA

1-110-0111-01-01-1       =   AHGCCA

 D:

 1-10-01-10-01-1-1-01     =   ABCBCAAC

1-10-01-10-01-1-10-1     =   ABCBCABA

1-10-01-10-01-11-01       =   ABCBCDC

1-10-01-10-01-110-1       =   ABCBCHA

1-10-01-10-0111-01        =   ABCBGC

1-10-01-10-01-1-101       =   ABCBCAF

110-01-10-01-1-1-01     =   HCBCAAC

110-01-10-01-1-10-1     =   HCBCABA

110-01-10-01-11-01       =   HCBCDC

110-01-10-01-110-1       =   HCBCHA

110-01-10-0111-01        =   HCBGC

110-01-10-01-1-101       =   HCBCAF

 E:

 01-1-1-01-10-01-1-10     =   CAACBCAB

01-1-1-01-10-01-110       =   CAACBCH

0111-01-10-01-1-10        =   GCBCAB

0111-01-10-01-110          =   GCBCH

01-1-10-1-10-01-1-10      =   CABABCAB

01-1-10-1-10-01-110       =   CABABCH

01-1-10-110-01-1-10       =   CABHCAB

01-1-10-110-01-110        =   CABHCH

01-1-101-10-01-1-10       =   CAFBCAB

01-1-101-10-01-110         =&n