1: Small Differences Count

by Marty Sears by Marty Sears

CASE 3823

1: Small Differences Count

byMarty Sears

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  • Kropki dots

The brief

Normal 4x4 sudoku rules apply.

  • The difference between a pair of adjacent digits along a coloured line equals the number of adjacent pairs along that line that have that difference.
  • The black dot sits between two digits with a 1:2 ratio.