def floyd(l): # リストを入力
    rabbit = 0 # 早く進む変数
    turtle = 0 # 遅く進む変数
    x = 0　# 循環の開始インデックス（0はじまり）
    y = 0　# 循環の周期 (個数)
    while True:
        rabbit += 2
        turtle += 1
        if rabbit >= len(l):
            return None
        if l[turtle:rabbit] == l[rabbit:rabbit+(rabbit-turtle)]:
            break
    rabbit = 0
    while True:
        rabbit += 1
        turtle += 1
        if turtle >= len(l):
            return None
        if l[rabbit:b] == l[turtle:turtle+(turtle-rabbit)]:
            x = rabbit
            break
    turtle = x
    while True:
        rabbit += 2
        turtle += 1
        if l[turtle:rabbit] == l[rabbit:rabbit+(rabbit-turtle)]:
            y = turtle - x
            break
    return x, y

if __name__ == "__main__":
    with open("安全数列.txt") as f:
        l = list(map(lambda x:int(x), f.readline().split("\t")[:-1]))
    x, y= floyd(l)
    print(x, y)
    print(l[x: x+10]) # 一周期目から10個出力
    print(l[x+y: x+y+10])　# 二周期目から10個出力