[cwsiggy]

Or perhaps these better describe the event and it's structure....

abstruse, bewildering, circuitous, complicated, confused, convoluted, crabbed, cryptic, daedal, discursive, disordered, disturbing, enigmatic, entangled, excursive, gordian, hidden, impenetrable, inscrutable, interwoven, intricate, involved, jumbled, knotted, knotty, labyrinthine, mazy, meandering, mingled, mixed, muddled, obscure, paradoxical, perplexing, puzzling, rambling, recondite, round-about, sinuous, snarled, sophisticated, tangled, tortuous, undecipherable, unfathomable, winding