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Find simple encoding algorithm

Task is simple. I've got bunch of cell phone numbers with encoded and decoded represantation of them:

48724929382-80792464868

48792888593-65067128252

48502854553-70171059767

48518637244-73811014179

48608154528-96764708268

48692515226-94522633838

48696091613-94714157251

48691130253-82197809919

48887264518-86459125408

48513145222-76532828844

48881443447-60683145543

48660613882-92797503940

48698726789-94603174745

48666946393-97288722194

48660613882-92797503940

48694939269-98654431879

48693907471-88130291027

48721163462-84379392362

48889328981-90462897919

48692195089-97380061108

48795417099-90715741561

48665845566-88970636342

48513820082-60768039588

48512732479-78398857359

48727483326-88323965912

48666946393-97288722194

48692515226-94522633838

48666946393-97288722194

48694939269-98654431879

48889328981-90462897919

48500294278-63187390505

48727483326-88323965912

48514068366-75202863649

48661748065-68266426753

48727483326-88323965912

48721147039-83618914044

48727483326-88323965912

48601774797-85454050128

48512732479-78398857359

48665729356-86618697490

48511372326-74593260348

48692515226-94522633838

48791698469-60810777331

48608586542-97872348985

48725715907-89921334502

48601774797-85454050128

48727483326-88323965912

48609096784-75649664331

48692515226-94522633838

48509686390-77172056997

48662758818-90801725302

48606141812-90083417218

48881749407-64488020197

48508101266-64731036848

48607933471-81469121020

48608534482-92350604330

48504278581-71550889460

48889328981-90462897919

48660613882-92797503940

48725715907-89921334502

48727483326-88323965912

48889328981-90462897919

48727483326-88323965912

48792888593-65067128252

48692515226-94522633838

48665729356-86618697490

48660141747-92275818675

48666036906-67023104091

48721448359-82962098733

48727483326-88323965912

48666946393-97288722194

48514178661-72436770161

48666946393-97288722194

48697886033-84951593461

48690040440-67851359537

48518637244-73811014179

48724378311-87067454766

48602312576-96000706160

48601750701-66463162175

48603374190-83346041143

48724929382-80792464868

48502854553-70171059767

48518637244-73811014179

48692515226-94522633838

48724929382-80792464868

48792888593-65067128252

48887264518-86459125408

48889328981-90462897919

48696872615-97425509402

48518637244-73811014179

48727483326-88323965912

48792888593-65067128252

Left are decoded right are encoded. 48 on beggining of every decoded number is a country code.

I'm looking for an algorythm that encoded the numbers.

If You claim You got an algorithm I'll send You 5 more encoded numbers and I'll ask You to decode them. If You give me the right decoded answers then I pay 450$ ( with escrow or something similar )

IMPORTANT! Contact me on skype! a_oleszczuk

Habilidades: Criptografia

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Acerca do Empregador:
( 0 comentários ) Warsaw, Poland

ID do Projeto: #5082321

2 freelancers estão ofertando em média $472 para este trabalho

romanuwa

Hi, If you can tell me about the source of data, it would be easy. Like from where did you obtain these encoded numbers. From HLR, or VLR(which layer of the Telecommunication Operator) or from some some other databa Mais

$500 USD in 3 dias
(5 Comentários)
2.2
jjauhien

Just found this project. I am quite interested but need some time (2-3 days, maybe) to see if I could get some result.

$444 USD in 3 dias
(1 Comentário)
1.0