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.
填入1~4，使得每行，列，涂色宫，以及每条弯曲的曲线连结起来的单元格内数字不重复。
Write 1~4, make the digits appear per once in each Row, Column, coloerd Boxes and bent Rows indicated by light curved lines.
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，每条对角线上数字也不重复。
Classic rules applied. Additionally, numbers cannot repeat on each diagonal.
锯齿数独基础上，每行、列、宫中都应该有一颗星（用0代替），并且星星之间不能彼此接触。
Jigsaw rules applied. Additionally, each Row, Column or Box contains a star (use 0 to instead), and stars cannot be horizontally, vertically or diagonally adjacent.
标准数独基础上，从一个涂色格到另一个涂色格之间，一定有一条仅通过正交相邻的单元格组成路径，并且路径上的单元格全部是奇数。 Classic rules applied. Additionally, there must be at least one path from one colored cell to another colored cell which passes orthogoanlly through only odd digits.
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).
标准数独基础上，涂色区域内的数字必须组成从1~N的连续数字链条，链条只能链接水平或垂直相邻的单元格。 Classic rules applied. Additionally, digits in colored zones must form a chain of consecutive digits from 1~N by moving horizontally or vertically from one cell to the next.
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.
标准数独基础上，提示数是这一方向上前若干个数字之和。
Classic rules applied. Additionally, outside clue is the first several numbers' sum in this direction.
