Pluto (Dwarf Planet)
- Region sum lines
The brief
Normal 4x4 sudoku rules apply: Place the digits 1 to 4, once each, in every row, column and box.
Region Sum Lines: Box borders divide the blue lines into segments with the same sum.
by Blobz · Difficulty 2 of 5 by Blobz
Normal 4x4 sudoku rules apply: Place the digits 1 to 4, once each, in every row, column and box.
Region Sum Lines: Box borders divide the blue lines into segments with the same sum.