#T 15 15 #D 1 N 3 = = = 4 - 5 = 3 - 2 - 1 N 2 | N N N | N H 3 - - - - - 2 H | 1 - - 2 N H H N N N N N | H 1 N N N N N H 2 N N N N N | 5 - - - - - - 5 - - - - - - 3 H N 3 - - - 3 | 2 = = 5 - 1 | 3 N H N N N H | N 2 N H N N | | N 6 = = 2 H | N H N H N N | 2 N H N N N H | N 4 N 6 = 2 | | N H N N N H | N H N H N N | | N H N N N H | N H N H N N | | N H N N N 2 | N H N H N N | | N H N 1 - - 6 = 5 N H N N | | N H N N N N H N | N H N N | 3 = 5 - - 2 - 5 = 5 = 4 N N 1