6-6 6-6 6-6 6 6 6 6-6 6-6 6-6 6 0 w [6e]-e 6 e r [4t]-t 4 t y [3r]-r 3 e w [6w] e-6 0 w [4e]-e 4 e r [8t]-t 8 t y [5r]-r 5 e w [6e]-6 6 0 w [6e]-e 6 e t [4y]-y 4 y u [2i]-i 2 u y [6u] e-6 e r [4t]-t 4 y-[6u] e-6 e t [3r]-r 3 t e [3r] 3 3 3 u o [6p]-p 6 p a [4s]-s 4 s d [3a]-a 3 p o [6o] p-6 u o [4p]-p 4 p a [8s]-s 8 s d [5a]-a 5 p o [6p]-6 6 u o [6p]-p 6 p s [4d]-d 4 d f [2g]-g 2 f d [6f] p-6 p a [4s]-s 4 d-[6f] p-6 p s [3a]-a 3 p O [6p] - 6 6 6 [6f] - 6 6 6 [2g] - 2 2 2 [5f]-[8f]-[3f]-[5f] d-5 5 5 [2d] - 2 2 2 [3s] - 3 3 3 [3a]-[3s]-[3a]-[6a] p-[6p] [6a] [6s] [6f] - [6p] a s [4g] - [4p] a s [8f]-[8f]-[8h]-[5f] d-5 5 5 [2d] - 2 2 2 [3s] - 3 3 3 [3a]-[3s]-[3a]-[6p] - 6 6 6 [6e]