(0, 0, 0)
(0, 0, 1)
(0, 1, 1)
(1, 1, 1)
(1, 1, 0)
(2, 1, 0)
(3, 1, 0)
(4, 1, 0)
(5, 1, 0)
(5, 1, 1)
(5, 2, 1)
(6, 2, 1)
(7, 2, 1)
(7, 3, 1)
(7, 3, 2)
(6, 3, 2)
(5, 3, 2)
(5, 4, 2)
(4, 4, 2)
(3, 4, 2)
(2, 4, 2)
(2, 4, 3)
(1, 4, 3)
(1, 5, 3)
(1, 6, 3)
(0, 6, 3)
(0, 6, 4)
(0, 7, 4)
(1, 7, 4)
(2, 7, 4)
(3, 7, 4)
(3, 6, 4)
(4, 6, 4)
(5, 6, 4)
(5, 5, 4)
(5, 5, 5)
(5, 4, 5)
(6, 4, 5)
(6, 4, 6)
(5, 4, 6)
(5, 5, 6)
(5, 5, 7)
(5, 6, 7)
(6, 6, 7)
(6, 7, 7)
(7, 7, 7)