Can we create a sequence of '2' numbers with the tallest child at either end?

Yes, if they are arranged well

No, because ends can only say '0'

Yes, if all are equally tall

No, it is impossible by arrangement

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Q1.

What does the number '1' indicate about a child in line?

Q2.

If a child at the end of a line says '0', what does that mean?

Q3.

Is it possible for all five children to say '0' when arranged?

Q4.

What sequence indicates that the tallest child is in the middle of a line of five?