equation icon  @acm - @bcm + 2x[ab]cm = 0, (82) e be af @aGbcd- @bGacd + 2x[ab]/\cd - 2G[a|c| Gb]ed + 2x[a|dxb]c + _O_eab Eef e cd -2hc[afb]d + 2hd[afb]c + 4hc[ahb]d/\ = 0, (83) e @axbc- @bxac + 2x[ab]xc- _O_ eab Bec - 2hc[afb] = 0, (84) @cfa - @afc - 2x[cefa]e + 2x[ca]f - ecaeBedsd = 0, (85) e ef d @cfab- @afcb - 2x[ac]fb + 2f[axc]b - 2hb[a@c]/\ + ecaeB bs - ecaeE efbds = 0, (86) @aBac + eeadEcexad + eecdEaexad = 0, (87) a e ad e ad @ Eac - eeadBc x - eecdBa x = 0, (88) @a_O_ - sa = 0, (89) @ s + x s - h S + _O_f = 0, (90) a b ab abe ab @bs - xb se + _O_fb = 0, (91) @ S + f sb + f s - _O_@ /\ - 2/\s = 0. (92) a ab a a a