(7,3)..(7,2) 7 3 7 2 (18,3)..(18,2) 18 3 18 2 (28,3)..(28,2) 28 3 28 2 (37,3)..(37,2) 37 3 37 2 (47,3)..(47,2) 47 3 47 2 (56,3)..(56,2) 56 3 56 2 (65,3)..(65,2) 65 3 65 2 (74,3)..(74,2) 74 3 74 2 (81,3)..(81,2) 81 3 81 2 (89,3)..(89,2) 89 3 89 2