(85,21)                 85     21
(28,21)                 28     21
(30,78)                 30     78
(11,2)                  11      2
(77,45)                 77     45
(49,44)                 49     44
(11,44)                 11     44
(79,78)                 79     78
(52,78)                 52     78
(7,79)                   7     79
(93,117)                93    117
(51,114)                51    114
(11,114)                11    114
(100,135)              100    135
(68,133)                68    133
(37,134)                37    134
(2,133)                  2    133
(99,148)                99    148
(47,147)                47    147
(10,145)                10    145
(19,153)                19    153