标准数独基础上，如果箭头格内是N，则箭头方向上第N格是6。
Classic 6x6 rules applied, additionally, arrow cells with number N, must point to 6, with 6 on the Nth cell on it's direction.
标准数独基础上，任一行/列内，不得有连续三个相邻数字拥有相同奇偶性。
Classic rules applied. Additionally, in each Row or Column, no continuous three cells contain same parity.
标准数独基础上，涂色区域内任意一个数字M，在其所在的涂色区域内必然有M个。
Classic rules applied. Additionally, to any number M in colored regions, that region must contain it for M times.
标准数独基础上，涂色格等于其所有相邻格的和。
Classic rules applied. Additionally, the colored cells equal to the sum of all the numbers adjacent to it.
标准数独基础上，每个区域内都是从左到右、从上到下的两位数，提示表示这些两位数四舍五入后的结果。
Classic rules applied. Additionally, clues in each cage indicate the result of rounding that multi-digit number (from left to right、up to down) to the nearest ten.
标准数独基础上，每个区域内都是从左到右、从上到下的两位数，提示表示这些多位数从小到大进行排序的序号。
Classic rules applied. Additionally, digits in each region form multi-digit numbers from left to right, up to down in each zones, and the prompt indicates the sequence number for sorting these multi digit numbers from the smallest to the largest.
标准数独基础上，如果某一行/列第一格是X，则提示表示这一方向上前X格中最大的数字。
Classic rules applied. Additionally, if X is the first number of a Row or Column, the clue indicates the largest number of the first X cells on this direction.
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，箭头格为N，箭头指向N+1。
Classic rules applied. Additionally, if the arrow cell is N, number N+1 is in the direction the arrow points..
标准数独基础上，涂色格子填入偶数。
Classic rules applied. Additionally, colored cells contain even numbers.
