横向
1
Proven mathematical statement
5
Line crossing from corner to corner
6
Sum divided by count
7
Number with digits after a point
9
Line touching circle at one point
10
Closed shape with straight sides
12
Rectangle with four equal sides
纵向
2
Total distance around a shape
3
Number less than zero
4
Middle value in an ordered dataset
8
Mathematical rule or equation
11
Divisible by two
13
Line segment connecting two circle points