O---- [4p]-[8u]-[4o] 8 O 4 [qp]-s q a-[7o]- 3-[7i]-3 7 u 3 9--[7Y]-[8u]- [6e]-[6o]-[6i] 6 u 6 7-y 8 t-[6y]- ^-[^t]-[^u] ^ y ^ 9-u 9 - [9y]- 4 t 8 e [4t] [8t] t [4e] [qt] e e q y u [0y] u 3 t 7 e [3t] [7t] t [3e] [9t] e [8e] e [7y] u [8y] u 6-[6u]-[6a] 6 s 6 7-u 8 y-[6u]- [^y]-[^t]-[^t] ^ e ^ [9y]-t 9 t-9- [4p]-[8u]-[4o] 8 O 4 [qp]-s q a-[7o]- 3-[7i]-3 7 u 3 9--[7Y]-[8u]- [6e]-[6o]-[6i] 6 u 6 7-y 8 t-[6y]- ^-[^t]-[^u] ^ y ^ 9-u 9 - [9y]- 4 t 8 e [4t] [8t] t [4e] [qt] e e q y u [0y] u 3 t 7 e [3t] [7t] t [3e] [9t] e [8e] e [7y] u [8y] u 6-[6u]-[6a] 6 s 6 7-u 7 y-[8u]- [^y]-[^t]-[^t] ^ e ^ [9y]-t 9 t-9- [8u]