n = int(eval(input()))

lst = [int(i) for i in input().split()]



dp = [1e7]*n

dp[0] = 0

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



for i in range(2, len(lst)):

    dp[i] = min(dp[i-1]+abs(lst[i]-lst[i-1]), dp[i-2]+abs(lst[i]-lst[i-2]))



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

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



dp = [1e7]*N

dp[0] = 0

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



for i in range(2, N):

    dp[i] = min(dp[i-1]+abs(h[i]-h[i-1]), dp[i-2]+abs(h[i]-h[i-2]))



print((dp[-1]))

n = int(eval(input()))
lst = [int(i) for i in input().split()]
dp = [1e7] * n
dp[0] = 0
dp[1] = abs(lst[1] - lst[0])
for i in range(2, len(lst)):
    dp[i] = min(
        dp[i - 1] + abs(lst[i] - lst[i - 1]), dp[i - 2] + abs(lst[i] - lst[i - 2])
    )
print((dp[-1]))

N = int(eval(input()))
h = list(map(int, input().split()))
dp = [1e7] * N
dp[0] = 0
dp[1] = abs(h[1] - h[0])
for i in range(2, N):
    dp[i] = min(dp[i - 1] + abs(h[i] - h[i - 1]), dp[i - 2] + abs(h[i] - h[i - 2]))
print((dp[-1]))

-n = int(eval(input())) -lst = [int(i) for i in input().split()] -dp = [1e7] * n +N = int(eval(input())) +h = list(map(int, input().split())) +dp = [1e7] * N -dp[1] = abs(lst[1] - lst[0]) -for i in range(2, len(lst)): -    dp[i] = min( -        dp[i - 1] + abs(lst[i] - lst[i - 1]), dp[i - 2] + abs(lst[i] - lst[i - 2]) -    ) +dp[1] = abs(h[1] - h[0]) +for i in range(2, N): +    dp[i] = min(dp[i - 1] + abs(h[i] - h[i - 1]), dp[i - 2] + abs(h[i] - h[i - 2]))