The basic is the same as "Sudoku".
Rotate the numbers in the group of the same color and fill Sudoku's clear condition (1 to 9 in 3 x 3 rows and columns).
Group selection by small arrow button
Rotate numbers in group with large arrow
All 30 stages
Rotate the numbers in the group of the same color and fill Sudoku's clear condition (1 to 9 in 3 x 3 rows and columns).
Group selection by small arrow button
Rotate numbers in group with large arrow
All 30 stages
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