Daily puzzle (2020-07-16)


X Sums Sudoku

Author: rob

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Place a number from 1-N in each empty cell in the grid such that each row, column and marked area contains each number exactly once. The clues outside the grid indicate the sum of the first X numbers placed in the corresponding direction, where X is equal to the first number placed in that direction.

Example puzzle

Grid control: Click at a cell reveals the value chooser. Click at the selected value changes the state of the cell. More details about grid control are at the help page.