65쪽-가(56.52cm) 나(21.98cm) 다(37.68cm) 라(34.54cm)/66쪽-(25.12cm), (69.08cm), (75.36cm),다음 문제-(47.1cm), (23.55cm), (42.39cm), 다음문제-(9바퀴)
당신은 어느 그룹입니까?