u-w e - w- t-t y - t- u-u u y t-t i-r--- i-0 9--q r t-r--y y-y y t e-w u---- w-e w--w u-i u--u i u u-i o - o-i--y u i-i o - i y u-o-t-t- u-y-t y - i----t i-i o - i- u o - t-t- i-y-u y - o---0 q u-e w-w w w t-y t--- u - u y-t- i---9 0 i-w q - q q r-t r--- i - i u-y- u---0 q u-e w-w w w t-y t--- o - o p-o- i---- s-s-a-p- s o-o - u i o - o u-y- o---- s-s-a-p- s o-o - u i o - o u-y- u