标准数独基础上，提示数字表示从这一方向上观察，大数字能遮住小数字时，可以看见的数字的个数。
Classic rules applied. Additionally, clue shows how many numbers can be seen in this direction, when larger number will hide lower ones.
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，线条上相邻两格数字连续。
Classic rules applied. Additionally, numbers next on line are consecutive.
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，圆圈格子填奇数，方块格子填偶数。
Classic rules applied. Additionally, circle cells contain odd numbers, square cells contain even numbers.
标准数独基础上，不等号展示了相邻两格的大小关系。
Classic rules applied. Additionally, ＞ and ＜ shows the larger number around it.
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，提示是其周围数字的和。
Classic rules applied. Additionally, numbers in circle is the sum of the numbers around it.
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，钻石格内数字是其相邻数字之和的因数。
Classic rules applied. Additionally, numbers in diamond is the factor of the sum of numbers adjacent to it.
