OFFSET
0,3
EXAMPLE
23="vingt-trois" (10 letters); 32="trente-deux" (10 letters).
56="cinquante-six" (12 letters); 65="soixante-cinq" (12 letters).
CROSSREFS
KEYWORD
base,easy,nonn,word
AUTHOR
Eric Angelini, Nicolas Graner, May 19 2005
STATUS
approved