Count from right to left.
first
Count from left to right.
second
Count from right to left.
fourth
Count from right to left.
sixth
Count from left to right.
fifth
Count from right to left.
fifth
Count from left to right.
third
Count from left to right.
third
Count from right to left.
first
Count from left to right.
fifth
Count from right to left.
third
Count from left to right.
third
Count from right to left.
second
Count from left to right.
fourth