* possiblity path: If we have 3 checpoint aligned in a path (say A,
* B, C) the algorithm will prefer (A, C) instead of (A, B, C) */
void
* possiblity path: If we have 3 checpoint aligned in a path (say A,
* B, C) the algorithm will prefer (A, C) instead of (A, B, C) */
void