O αλγόριθμος Waterman.
P E R A S P E R A A D A S T R A
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
A 0 0 0 0 2 1 0 0 0 2 2 1 2 1 0 0 2
P 0 2 1 0 1 2 3 2 1 1 2 2 1 2 1 0 1
T 0 1 2 1 0 1 2 3 2 1 1 2 2 1 4 3 2
E 0 0 3 2 1 0 1 4 3 2 1 1 2 2 3 4 3
R 0 0 2 5 4 3 2 3 6 5 4 3 2 2 2 5 4
A 0 0 1 4 7 6 5 4 5 8 7 6 5 4 3 4 7