Normal sudoku rules apply. Place the digits 1-6 once each in every row, column, and 2x3 box.
Killer: digits inside a caged region must not repeat and sum to the total shown in the corner.
Renban: digits along a pink line are a set of consecutive non-repeating digits in any order.
Lockout line: the two diamonds hold different digits, and every digit on the line between them is strictly outside the range spanned by the diamonds.
Digits along an arrow sum to the number in the attached circle.
Anti-knight rules apply: cells a chess knight's move apart cannot contain the same digit.
Solve in VariantDoku (iOS) or on SudokuPad.
Solution code: Enter the digits of column 2.