#T 15 15 #D 0 N N N 1 - - - - - - 4 - - 3 N 2 - 4 - - 4 = = 2 N H N N H N | N H 2 N | N 3 = = 4 N N H 1 | N H H N | N | 2 = = = = 4 | | N H 3 - 6 = 5 - - - - - - 4 | N H N N H N | N N N N N N H | N H N N H N | N N N N N N H | N H N N H N | N N N N N N H 1 N H N N 2 N | N N N N N N H N N H N N N N | N N N N N N H 2 = 6 - - - 1 | N N N N N N H N N | N N N N | N N N N N N H N N 3 = = 2 N | N N N N N N H N N N N N N N | N 2 = 4 = = 4 N 1 - - - - - 3 - - 1 N N N N