Sudoku 38: 1-5-9 Sudoku

Rules: Classic sudoku rules apply. Additionally, digits in the first column indicate in which column digit 1 is placed in the respective row, digit in the fifth column indicate in which column digit 5 is placed in the respective row, digit in the ninth column indicate in which column digit 9 is placed in the respective row.

Link:

Solve Online

Solution

Sudoku 37: 0-9 Sum Frame Sudoku

Rules: Place digits 0-9 in every cell such that no digit is repeated in any row, column or 3×3 block. Clues outside the grid indicate the sum of the digits in the first three cells from that side.