0 e-t [1u]-i u---u y-t [2u]-y [2r] - 2-0 [2W]-r [2y]-y [2y]---u y-r [1t]----e t-u [2p]-a p - 2-p [2O]-a [1p]-u u---t y-u [2o]-i r - 2-i u-y [1u] - 2 - 1-e t-u [2p]-a p - 2-p [2O]-a [1p]-u u---t y-u [2o]-i r - 2-0 W-r [1e]----0 e-t 0 e-t [1u]-i u---u y-t [2u]-y [2r] - 2-0 [2W]-r [2y]-y [2y]---u y-r [1t]----e t-u [2p]-a p - 2-p [2O]-a [1p]-u u---t y-u [2o]-i r - 2-i u-y [1u] - 2 - 1-e t-u [2p]-a p - 2-p [2O]-a [1p]-u u---t y-u [2o]-i r - 2-0 W-r [1e]----0 e-t