DETAILED STEPS:
[19, 43, 16, 34, 19]
                    (16, 19)
[18, 43, 15, 34, 19]
                    (15, 18)
[17, 43, 14, 34, 19]
                    (14, 17)
[16, 43, 13, 34, 19]
                    (43, 34)
[16, 42, 13, 33, 19]
                    (42, 33)
[16, 41, 13, 32, 19]
                    (41, 32)
[16, 40, 13, 31, 19]
                    (40, 31)
[16, 39, 13, 30, 19]
                    (39, 30)
[16, 38, 13, 29, 19]
                    (38, 29)
[16, 37, 13, 28, 19]
                    (37, 28)
[16, 36, 13, 27, 19]
                    (36, 27)
[16, 35, 13, 26, 19]
                    (35, 26)
[16, 34, 13, 25, 19]
                    (34, 25)
[16, 33, 13, 24, 19]
                    (33, 24)
[16, 32, 13, 23, 19]
                    (32, 23)
[16, 31, 13, 22, 19]
                    (31, 22)
[16, 30, 13, 21, 19]
                    (30, 21)
[16, 29, 13, 20, 19]
                    (29, 20)
[16, 28, 13, 19, 19]
                    (28, 19)
[16, 27, 13, 18, 19]
                    (27, 19)
[16, 26, 13, 18, 18]
                    (26, 18)
[16, 25, 13, 17, 18]
                    (25, 18)
[16, 24, 13, 17, 17]
                    (24, 17)
[16, 23, 13, 16, 17]
                    (23, 17)
[16, 22, 13, 16, 16]
                    (22, 16)
[15, 21, 13, 16, 16]
                    (21, 16)
[15, 20, 13, 15, 16]
                    (20, 16)
[15, 19, 13, 15, 15]
                    (19, 15)
[14, 18, 13, 15, 15]
                    (18, 15)
[14, 17, 13, 14, 15]
                    (17, 15)
[14, 16, 13, 14, 14]
                    (16, 14)
[13, 15, 13, 14, 14]
                    (15, 14)
[13, 14, 13, 13, 14]
                    (14, 14)
[13, 13, 13, 13, 13]