xZ [ex]c[tx]Z[tx]Z[0x]l[tj]l[tx]l[Wz]x[yz]L[yz]L[0z] y [yz]L [Wz]x[yz]L[yz]L[0z]k[yH]k[yz]k[el]z[tl]k[tl]k[0l] t [tl]k [Ql]z[el]k[el]k[9l]j[eG]j[el]j[(k]l[Qk]J[Qk]J[7k] Q [Qk]J [(k]l[Qk]J[Qk]J[7k]G[QD]G[Qk]G[0H] H [QH] [WH]- xZ[ex]c[tx]Z[tx]Z[0x]l[tj]l[tx]l[Wz]x[yz]L[yz]L[0z] y [yz]L[Wz]x[yz]L[yz]L[0z]k[yH]k[yz]k[el]z[tl]k[tl]k[0l] t [tl]k[Ql]z[el]k[el]k[9l]j[eG]j[el]j[(k]l[Qk]J[Qk]J[7k] Q [Qk]J[(k]l[Qk]J[Qk]J[7k]G[QD]G[Qk]G[0H] [QH] [WH] [ej]