Sentence The Fivehundredandtenth

Now, Lionel Ramsbottom was a veritable dabster whose remembrance was almost perfect: he had been a myrmidon in the Cubs and the Scouts, never a Sixer, never a leader, but he knew all the knots, all the Navy's signal flags, how to send messages by semaphore and how to pick locks; there weren't any badges in housebreaking or boosting cars, but Lionel's reward was the approval of the Scout Leader who conducted private classes for a very select few of the Scouts: any one of them could enter

any car in under a minute – Lionel and Roger, a shy boy who never swaggered or swanked, in under 15 seconds, they quietly shared that record; and any of them could enter any house or locked room or safe or cash-box, disable the alarms and be through the premises in under 15 minutes, perhaps up to 30 if it was a big place, but never more: over 30 minutes and you begin pushing your luck and that's when you make mistakes and get caught; and he never had – either made mistakes or get caught; and now, on this tickle, entering and searching Martin Elginbrod's Morningside enclave, for the very first time in his life, he was the Leader and he had a devoted Follower: Traci MacGillivray, and that was his first mistake!