SMS Codes

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Rules[edit]

SMS Codes Example and Solution.png

Some words from the given list have been coded using the SMS code. Letters A,B,C are replaced by the digit 2, D,E,F are replaced by the digit 3, G,H,I are replaced by the digit 4, J,K,L are replaced by 5, M,N,O are replaced by 6, P,Q,R are replaced by 7, S,T,U,V are replaced by 8 and W,X,Y,Z are replaced by 9. Decode the SMS codes using the given list.

(Rules and example from WPC 2017 IB)

History of the puzzle[edit]

Mapping of letters to numbers in a telephone keypad was standardised in the 1960s. The mapping is often used as a mnemonic for phone numbers. [1] This type can be seen as a combination of such mapping technique and Acrostic puzzles.

This culturally-independent version doesn't make sense if the puzzle was solely presented. However, the actual puzzle in WPC 2017/Round 23 was a part of the larger puzzle with a shared list, therefore leaving a lot of unusued words.

Appearances in the past WPCs[edit]

References[edit]