标准数独基础上，两个涂色区域内，相同位置上的数字奇偶性一致。
Classic rules applied. Additionally, in the 2 colored zones, same position own same parity.
标准数独基础上，每条线条上的数字之和等于圆圈里的数字。
Classic rules applied. Additionally, the sum of numbers on each line is the numbers in circle.
标准数独基础上，圆圈内数字等于每条线上数字乘积的末位数。
Classic rules applied. Additionally, numbers in circle is the last digit of the product of the numbers on each line.
标准数独基础上，每一条线条在它经过的每个宫内的部分，数字之和相同。
Classic rules applied. Additionally, digits along each line have an equal sum within each Box it passes through.
标准数独基础上，两个涂色区域中，相同的位置对应的数字一致。
Classic rules applied. Additionally, in the 2 colored zones, same position own same number.
填入1~5，使得每行、列内，及每个不足5格的宫内数字不重复。至少有5格的宫里宫一定包含了所有类型的数字。Write 1~5, make numbers no repeated in each Row, Column or Box with no more than 5 cells. Box with at least 5 cells should contain all kinds of numbers.
标准数独基础上，每个虚线框内数字不重复，角标是框内数字之和。
Classic rules applied. Additionally, numbers cannot repeat in each cage, clue is the sum of the numbers.
标准数独基础上，每条线条上的数字之和等于圆圈里的数字。
Classic rules applied. Additionally, the sum of numbers on each line is the numbers in circle.
标准数独基础上，如果圆圈格内是A，那么由圆圈格引发的每一条箭头线条上，都有A个数字与圆圈格内数字奇偶性一致。 Classic rules applied. Additionally, if the circle cell is A, then on each arrow line from the circle, there're A numbers have same parity with A.
标准数独基础上，框内数字是多位数质数（左→右，上→下）。
Classic rules applied. Additionally, numbers are multi-digit prime (left-right, up-down) in cage.
