Function
(1, 2, 3)
(1, 2, 3) (1, 2, 3) (1, 2, 3) (1, 2, 3)

Function with defaults
(0, 0, 0)
(1, 2, 3)
(1, 0, 0) (2, 0, 0) (3, 0, 0)
(1, 0, 0) (0, 2, 0) (0, 0, 3)
(1, 0, 3) (1, 0, 3)
(1, 2, 0) (1, 2, 0)
(0, 2, 3) (0, 2, 3)
(1, 2, 3) (1, 2, 3) (1, 2, 3) (1, 2, 3)

Class
(1, 2, 3)

Class with defaults
(0, 0, 0)
(1, 2, 3)
(1, 0, 0) (2, 0, 0) (3, 0, 0)