Sudoku Tutorial
2 String Kite
kite2.jpg



                                 
 A 2 string kite is a technique that involves a single candidate (8 in this example) where:
  1. The candidate is found in the same box (shown in yellow)
  2. Each yellow cell must be strongly linked to another cell (shown in blue)
As a result, one of the blue cells must be an 8.  Any cell visible to both blue cells is a target (the slashed 8 in r8c4 in this example).

Note: the yellow 8's are weakly linked in this example. (ie. there are three 8's in box #4). It is possible that both blue cells could be 8's.

(A 2 string kite is also an  X Chain)
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