def test1(self):
lengths = list(map(int, '2 4 4 2'.split()))
res = do(lengths)
exp = 8
self.assertEqual(res, exp)
def test7(self):
lengths = list(map(int, '1000000'.split()))
res = do(lengths)
exp = 0
self.assertEqual(res, exp)
def test6(self):
lengths = list(map(int, '10 10 10 10 11 10 11 10'.split()))
res = do(lengths)
exp = 210
self.assertEqual(res, exp)
def test5(self):
lengths = list(map(int, '123 124 123 124 2 2 2 2 9 9'.split()))
res = do(lengths)
exp = 15270
self.assertEqual(res, exp)
def test4(self):
lengths = list(map(int, '5 3 3 3 3 4 4 4'.split()))
res = do(lengths)
exp = 25
self.assertEqual(res, exp)
def test3(self):
lengths = list(map(int, '100003 100004 100005 100006'.split()))
res = do(lengths)
exp = 10000800015
self.assertEqual(res, exp)
