TEXT: hardware failures were so rare in node 3 that she could n't remember the numerical codings . susan flipped through the sys-op manual , scanning the list of error codes . 19 : corrupt hard partition 20 : dc spike 21 : media failure when she reached number 22 , she stopped and stared a long moment . baffled , she double-checked her monitor . error code 22 susan frowned and returned to the sys-op
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