互たがい違ちがいに

adverb

alternately; in alternating order

Describes two or more things arranged or done in a staggered, alternating pattern, such as placing objects in opposite directions or taking turns.

• 靴くつを互たがい違ちがいに並ならべてください。

  Please arrange the shoes alternately (facing opposite directions).

• 赤あかと青あおのボールを互たがい違ちがいに置おいた。

  I placed red and blue balls in alternating order.