n=int(eval(input()))

K=list(map(int,input().split()))



dp=[float('inf') for _ in range(n)]

dp[0]=0

for i in range(len(K)-1):

  dp[i+1]=min(dp[i+1],dp[i]+abs(K[i]-K[i+1]))

  if i+2<len(K):

    dp[i+2]=min(dp[i+2],dp[i]+abs(K[i]-K[i+2]))

print((dp[-1]))
n=int(eval(input()))

H=list(map(int,input().split()))



dp=[float('inf')]*n

dp[0]=0

dp[1]=abs(H[1]-H[0])

for i in range(2,n):

  dp[i]=min(dp[i],dp[i-1]+abs(H[i]-H[i-1]))

  dp[i]=min(dp[i],dp[i-2]+abs(H[i]-H[i-2]))

print((dp[-1]))
n = int(eval(input()))
K = list(map(int, input().split()))
dp = [float("inf") for _ in range(n)]
dp[0] = 0
for i in range(len(K) - 1):
    dp[i + 1] = min(dp[i + 1], dp[i] + abs(K[i] - K[i + 1]))
    if i + 2 < len(K):
        dp[i + 2] = min(dp[i + 2], dp[i] + abs(K[i] - K[i + 2]))
print((dp[-1]))

n = int(eval(input()))
H = list(map(int, input().split()))
dp = [float("inf")] * n
dp[0] = 0
dp[1] = abs(H[1] - H[0])
for i in range(2, n):
    dp[i] = min(dp[i], dp[i - 1] + abs(H[i] - H[i - 1]))
    dp[i] = min(dp[i], dp[i - 2] + abs(H[i] - H[i - 2]))
print((dp[-1]))

-K = list(map(int, input().split())) -dp = [float("inf") for _ in range(n)] +H = list(map(int, input().split())) +dp = [float("inf")] * n -for i in range(len(K) - 1): -    dp[i + 1] = min(dp[i + 1], dp[i] + abs(K[i] - K[i + 1])) -    if i + 2 < len(K): -        dp[i + 2] = min(dp[i + 2], dp[i] + abs(K[i] - K[i + 2])) +dp[1] = abs(H[1] - H[0]) +for i in range(2, n): +    dp[i] = min(dp[i], dp[i - 1] + abs(H[i] - H[i - 1])) +    dp[i] = min(dp[i], dp[i - 2] + abs(H[i] - H[i - 2]))