tyv{y|y|y}y|x|x{xzwzy{x~{~yx|x}y{y|w{xzw{w{w{w{wz{w{w|y}wzuxuyuywy~u}w~ry|~uzsyuzp{t{o{t|p|t|p|u|p}u}p}u|p}t|p|s}o}t}o~n~r}n}t~purwuz~x|w{x}x|x|x|yx|x{x{x|z