Given a partially filled 9x9 square, place numbers 1 through 9 in the remaining cells so that no row, column or quadrant contains any repetitions. Stated equivalently, every row, column and quadrant is to contain all numbers 1 through 9. | ||
Given a partially filled 9x9 square, place numbers 1 through 9 in the remaining cells so that no row, column or quadrant contains any repetitions. Stated equivalently, every row, column and quadrant is to contain all numbers 1 through 9. | ||