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Internet Message Format  |  1993-01-22  |  575 b 
  1. Path: sparky!uunet!gatech!psuvax1!psuvm!dcc117
  2. Organization: Penn State University
  3. Date: Fri, 22 Jan 1993 11:48:46 EST
  4. From: <DCC117@psuvm.psu.edu>
  5. Message-ID: <93022.114846DCC117@psuvm.psu.edu>
  6. Newsgroups: sci.math
  7. Subject: Combinatorial Problems
  8. Lines: 8
  9.  
  10.    Has anybody worked with, or know the solution to, the
  11. following problem ?
  12.  
  13.    A 6-by-6 chessboard is perfectly covered with 18 dominoes.
  14.  Prove that it is possible to cut it either horizontally or
  15.  vertically into two non-empty pieces without cutting through
  16.  a domino, that is, prove there must be a fault-line.
  17.  
  18.