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Unit Nunchucks

  A Unit Nunchuck is where all the candidates in a unit cause the elimination of a candidate through nunchuck chains.
  Consider the example on this page. The unit in question is the 1's in the upper-left box (highlighted in green). The top two 1's are weakly linked to the 6 highlighted in green according to Forcing Chains. The bottom two 1's are weakly linked to the 6 in green according to Nunchucks through the Almost Linked Set highlighted in yellow. Thus, no matter where the 1 is placed in the upper-left box, the 6 highlighted in green can be eliminated.
  Refer also to the definition of Unit Forcing Chains.

  Sudoku Snake gives Unit Nunchucks a skill value of 35000.

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