Draw on Edges: OFF Panel: OFF

     

  • Check All
  • Surface
  • Line Normal
  • Line Diagonal
  • Line Free
  • Line Middle
  • Line Helper
  • Edge Normal
  • Edge Diagonal
  • Edge Free
  • Edge Helper
  • Edge Erase
  • Wall
  • Number Normal
  • Number L
  • Number M
  • Number S
  • Candidates
  • Number 1/4
  • Number Side
  • Sudoku Normal
  • Sudoku Corner
  • Sudoku Centre
  • Shape
  • Special
  • Thermo
  • Sudoku Arrow
  • Composite

(This puzzle from the US team t-shirts for the world championships is originally being released in an "instructionless" mode. It combines a common sudoku variation and a common puzzle type. More info will be given after the WSPC at the source link.)

For automatic solution checking, the numbers must be entered in green, blue, or red in all grid cells and other clued positions.
CTRL + z CTRL + y Erase elements that belongs to the selected mode Erase problem or solution grid

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