Every Ant has only Two choices (A – anticlockwise C- clockwise)
Total case – 2*2*2 = 8
Favorable Case – A1A2A3, C1C2C3 (All anticlockwise and all clockwise)
Probability = 2/8 =1/4
This Puzzle can be generalized for Squares and n-sided polygon
The probability is 1/2(n-1)