def test_equals_2(self):
     self.assertEqual(
         number([[3, 0], [9, 1], [4, 10], [12, 2], [6, 1], [7, 10]]), 17)
 def test_equals(self):
     self.assertEqual(number([[10, 0], [3, 5], [5, 8]]), 5)
 def test_equals_3(self):
     self.assertEqual(
         number([[3, 0], [9, 1], [4, 8], [12, 2], [6, 1], [7, 8]]), 21)
 def test_equals_2(self):
     self.assertEqual(number(
         [[3, 0], [9, 1], [4, 10], [12, 2], [6, 1], [7, 10]]), 17)
 def test_equals(self):
     self.assertEqual(number([[10, 0], [3, 5], [5, 8]]), 5)
 def test_equals_3(self):
     self.assertEqual(number(
         [[3, 0], [9, 1], [4, 8], [12, 2], [6, 1], [7, 8]]), 21)