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Possible error in SudokuRound5 IB


In the instruction booklet for Sudoku GP round 5, puzzle #9 Position Sums Sudoku,
in the grey bank above the grid, the second clue "6" does not seem to be satisfied.

The first 2 numbers in the column are 8 and 1 but the sum of the 8th and 1st digit in the column is not 6.


I agree. The good news, though, is that if you change the gray clue in column 2 to "10" then the puzzle becomes correct and has a unique solution.

I am sorry for that error. An updated version of the Instruction booklet with the correction has been sent for publishing.

New version of the Booklet released.

Karel (Admin)