hi radhika,
to get the solution follow the given steps,
(19, 1, 0)
(12, 1, 7)
(12, 8, 0)
(5, 8, 7)
(5, 13, 2)
(18, 0, 2)
(11, 2, 7)
(11, 9, 0)
(4, 9, 7)
(4, 13, 3)
(17, 0, 3)
(17, 3, 0)
(10, 3, 7)
(10, 10)
to get the solution follow the given steps,
(19, 1, 0)
(12, 1, 7)
(12, 8, 0)
(5, 8, 7)
(5, 13, 2)
(18, 0, 2)
(11, 2, 7)
(11, 9, 0)
(4, 9, 7)
(4, 13, 3)
(17, 0, 3)
(17, 3, 0)
(10, 3, 7)
(10, 10)