(8,2)                    8      2
(19,2)                  19      2
(29,2)                  29      2
(38,2)                  38      2
(48,2)                  48      2
(57,2)                  57      2
(66,2)                  66      2
(75,2)                  75      2
(82,2)                  82      2
(90,2)                  90      2