s
T T
T g
T
T T T T T T N u T T
u u y T xv s T u t t t T P P T s T T
T u u x T
u s T w s s T T T P T u T s s T T
T a a a a a a a a a a a a b a a a b a b
T a a b
V A B C D V V T
T T N