Home 　Puzzle LightUp Number Place Number Line Heyawake Nurikabe White-Black Pearls Ripple Effect Fillomino Sum Cross Divide by Box Where is Black Cells	Online Puzzle Sum Cross
		◆　Rules The object of the puzzle is to insert a digit from 1 to 9 inclusive into each white cell such that the sum of the numbers in each entry matches the clue associated with it and that no digit is duplicated in any entry.
	◆　20 problems for beginners 　　　（Size of a cell 6x6 20problems） ◆　50problems 　　　（Size of a cell 11x9 10problems,　19x11 6problems,　21x13 4problems,　11x11 10problems,　15x15 20problems）

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