[질문] 맨사문제하나만알려주세요ㅋㅋㅋ

56.67.54.63,48,55,00,0000,00에들어갈숫자는?정답38,43/첫번째수부터+11,-13,+9,-15,+7,-17,+5,더하는수는2씩작아지고,빼는수는2씩커지고더하기빼기를번갈아서.