t y [1u]-y t y-t r [1t]-w-w-u i [1o]-i u i-u y [1u]---t y [1u]-y t y-t r [1t]-w-w-t r [2e]-e r [9t]-y- [5w]---5 6 7-w e r-7 8 9-r t y-9 0 q-[qy] [wu] [ei]-[9i] [8o] [7p]---- O---- o---t y [1u]-y t y-t r [1t]-w-w-u i [1o]-i u i-u y [1u]---t y [1u]-y t y-t r [1t]-w-w-0 q [1w]-9 0 q-0 9 [18]