[6s]-p-[8p]-[7a] [6s] [5d]-o-[7o] - o [8p] a s-[9a]-p- [0O]-u-[0u]-- [6s]-p-[8p]-[7a] [6s] [5d]-o-[5o] - o [4p] a s-[2a]-p- [3O]-u-[3u]-f- [1s]--s-f- [1s]--s-f- [1s] d f-[3s] d [1f]- [5d]-a-a-- [5a] [6s] [7d]-[5a] [6s] [7d]- [6s]-p-[6p] [7a] [8s] [9d] [0f]-d s [0a] p a- [6p]---f- [1s]--s-f- [1s]--s-f- [1s] d f-[3s] d [1f]- [5d]-a-a-- [5a] [6s] [7d]-[5a] [6s] [7d]- [6s]-p-[6p] [7a] [8s] [9d] [0f]-d s [0a] p a- [6p]