标准数独基础上，每个区域内的数字都能按从左到右、从上到下的顺序，组成一个电子表的时刻。
Classic rules applied. Additionally, numbers in each cage forms a time of electric clock in order (left to right, up to down).
填入1~9，使得每行、列、宫内数字不重复。外提示表示从这一方向上观察，大数字能遮住小数字时，可以看见的所有数字的和。Write1~9, make numbers no repeated in each Row/Column/Box.The outside number shows the sum of all the numbers which can be seen in this direction, when larger number will hide the lower ones.
标准数独基础上，任意对角相邻的两格数字不同。
Classic rules applied. Additionally, numbers cannot be same with all the numbers around it.
标准数独基础上，“凸”字格内数字大于其相邻单元格内数字，“凹”字格内数字小于其相邻单元格内数字。
Classic rules applied. Additionally, in each cell with 凸, numbers must be larger than numbers adjacent to it; In each cell with 凹, numbers must be smaller than numbers adjacent to it.
标准数独基础上，每个涂色区域都是一个立方体骰子（相对的面和为7）的展开图。
Classic rules applied. Additionally, each colored region is an expansion diagram of a dice (with the sum of each oppsite faces is 7).
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，数字从圆球开始沿着线条逐渐增大。
Classic rules applied. Additionally, numbers increasing from bulb on each thermometer.
标准数独基础上，每一对相互连结的圆圈，互相为倍数和因数关系。涉及到的多位数，都是从左到右、从上到下阅读形成的。
Classic rules applied. Additionally, each pair of combined circles is a multiple and factor relationship with each other. All the multi-digit numbers are read from left to right, up to down.
标准数独基础上，提示表示这一方向上，此数字之前有更大的数字。
Classic rules applied. Additionally, clue indicate an larger number exists before it.
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的范围。
Classic rules applied. Additionally, numbers cannot repeat in each cage, clue is the range of the sum of the numbers in it.
