Quadruple Sudoku with Renban Groups

(Published on 20. June 2010, 23:48 by zhergan)

For each of four 9x9 grids; place the digits 1 to 9 in every row, column and 3x3 standard block. Besides gray painted cells form renban groups. These groups must hold consecutive digits, in any order.

Solution code: First enter the contents of row 8 and column 10, then give sum of the digits for each of 4 renban groups increasing in order.

Last changed on on 15. August 2021, 23:17

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