[1Y] u Y [1y] T [1t] T [1y] [!Y] u Y [!y] T [!t] T [!y] [2Y] u Y [2y] T [2t] T [2y] [@Y] u Y [@y] T [@t] T [@y] [1Y] u Y [1y] T [1t] T [1y] [!Y] u Y [!y] T [!t] T [!y] [2Y] u Y [2y] T [2t] T [2y] [@Y] u Y [@y] T [@t] T [@y] [1Y] u i [1I] o [1I] i [1u] [!Y] u i [!I] o [!I] i [!u] [2Y] u i [2I] o [2I] i [2u] [@Y] u i [@I] o [@I] i [@u] [1I] [1o] O [1p] P [1p] O [1o] [!I] [!o] O [!p] P [!p] O [!o] [2I] [2o] O [2p] P [2p] P [2a] [@s] [@a] s [@S] d [@S] d [@D]