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，涂色格数字大于相邻的白色格内的数字。
Classic rules applied. Additionally, numbers in colored cells are larger than numbers in white cells adjacent to it.
标准数独基础上，每一条线条在它经过的每个宫内的每一段，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，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.
标准数独基础上，涂色的单元格组成了若干个三角形（上方一格，下方两格）。每一个三角形结构中，顶端的数字是下方两个数字的和或差。Classic rules applied. Additionally, the colored cells form several triangles (one cell above and two cells below). In each triangle, the number in the top cell is the sum or difference of the two numbers in the bottom cells.
标准数独基础上，提示表示其周围两个数中，较大的一个数，或它们的差。
Classic rules applied, the clue shows the larger one of the two numbers around it, or their difference.
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，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，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，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.
