Normal sudoku rules apply. Place the digits 1-6 once each in every row, column, and 2x3 box.
German whispers: digits along a green line must differ from their neighbours by at least 5.
Palindrome: digits along a grey line read the same forwards and backwards.
Between line: digits on a line between two circles are strictly between the values in those two circles.
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.
Cells connected by an X sum to 10. Cells connected by a V sum to 5. Not all Xs and Vs are given.
Solve in VariantDoku (iOS) or on SudokuPad.
Solution code: Enter the digits of row 1.