Shifter Dots 101: Introduction to Shifter Dots

Normal Sudoku rules apply. Place the digits 1 through 9 in each empty cell. Digits must not repeat within the same row, column, or box.

Shifter dots: Digts on different sides of a shifter dot must always share either parity (even/odd) OR polarity (high/low) - never neither, never both. Shifter dots can never have 5 on it.

Kropki dots: A black dot between cells indicates cell values with a 2:1 ratio. A white dot between cells indicates cells with consecutive values. Not all dots are shown.

XV: Adjacent cells connected with an X must sum to 10. Adjacent cells connected with a V must sum to 5. Not all X's or V's are shown.