标准数独基础上，灰色数字有且仅有一个是错误的。
Classic rules applied. Additionally, there's only one false number in grey numbers.
标准数独基础上，"大"字格填5或6，"中"字格填3或4，"小"字格填1或2。
Classic rules applied. Additionally, 大 means 5 or 6, 中 means 3 or 4, 小 means 1 or 2.
标准数独基础上，涂色格子填入奇数。
Classic rules applied. Additionally, colored cells contain odd numbers.
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，每行列的前两格记为A和B。白格内的提示表示该行列中A和B的和，灰色格内的提示表示该行列中第A格和第B格数字的和。Classic rules applied. Additionally, the first two cell in each Row/Column is A and B, the clue in white cells show the sum of A and B, the clue in grey cells show the sum of Ath cell and Bth cell in this Row/Column.
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.
标准数独基础上，提示表示其相邻两格的和或者差。
Classic rules applied. Additionally, the clue shows the sum or difference of numbers adjacent to it.
标准数独基础上，每一个涂色区域内的数字集，都是最大的涂色区域内数字集的子集。处理集合的包含关系时，相同的数字需要被视为不同的元素看待。 Classic rules applied. Additionally, each colored region's number group, is the subset of the group of the biggest colored region. When we talk about the groups, the same number will be also regard as different elements in groups.
标准数独基础上，每条温度计上数字只能不变或变大。
Classic rules applied. Additionally, numbers can only be immutable or increasing on each thermo.
标准数独基础上，每个区域内的提示是区域内多位数的因数。所有的多位数都是从左到右、从上到下读出来的。
Classic rules applied. Additionally, the clue is the factor of the multi-digit number in each region. All the multi-digit number is read from left to right, up to down.
