4---- 9---- 4---- 9---- 4---- 9---- 4---- 8---- 4---- 9---- 4---- 8---- [4p]--p-- [9p]--p-- [4p]--p-- [7a]--[8s]-- [4p]--p-- [9p]--p-- [4p]--p-- [8a]--s-s- [4a]-a-a-a- [9a]-a-a-a- [4a]-a-a-a- [8a]-a-s-s- [4a]-a-a-a- [9a]-a-a-a- [4a]-a-a-a- [8a]-a-s-s- [4a]-a-a-a- [9a]-a-a-a- [4a]-a-a-a- [8a]-a-s-s- [6a]-a-s-s- [5a]-a-s-s- [9s]-s-s-p- [8o]--d-- [4s]---- [9s]--a-- [8a]--5-- 1