He questioned the angles of the corridor, reconfigured them. The man did not walk and did not swim. He inveigled his way through crevices in possible spaces and passed, without effort and sometimes with, along channels he could now see. When he saw two yeomans and their mastiffs approaching, his way was clear. He was not invisible, nor did he pass into another plane. Instead he moved to the wall and watched its texture, looked at its scale anew, saw the dust-motes close up so that they filled his view, then he slithered behind them, hidden away, and the patrol passed away without noticing him.
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