class Drill:
def __init__(self, x, y):
self.x = x
self.y = y
def drill_right(self, count):
self.x = self.x + count
drill_1 = Drill(2, 10)
drill_2 = Drill(2, 11)
drill_3 = Drill(10, 12)
drill_4 = Drill(10, 13)
drill_1.drill_right(4)
drill_2.drill_right(7)
drill_3.drill_right(3)
drill_4.drill_right(5)