(1, 2) |
(3, 4) |
(5, 6) |
(7, 8) |
(9, 10) |
(11, 12) |
|
|
|
|
|
|
(13, 14) |
(15, 16) |
(17, 18) |
(19, 20) |
(21, 22) |
(23, 24) |
(25, 26) |
(27, 28) |
(29, 30) |
(31, 32) |
(33, 34) |
(35, 36) |