ORuKakuro/en
Aus Puzzlewiki
Instructions
Enter a single digit from 1 to 9 into each of the empty cells so that the sum of numbers in each Across answer equals one of the values given to the left and right, and the sum of numbers in each Down answer equals one of the values given to the above and below.
History
Variant developed by Michael Rios (USPC 2007).
Used in WPC 2009, Weakest Link part
Links
USPC 2007: http://wpc.puzzles.com/gt7/index.htm