Taking off their wooden shoes they moved cautiously along, keeping close to the houses.

The fourth they came to had an unusually deep doorway, and they decided at once that this would suit their purpose.

First they tried with the crowbar, but the lock held firmly.
"We will try another way, Paolo.

If the door yields, it will go with a crash, and the sentry might come down to see what had caused the noise.
We had better take out this lower panel; we shall want four holes bored touching each other to make one large enough for the saw to enter." The wood was of oak, and it took Paolo fully five minutes to make the holes.
"Now give me the auger," Hector said when it was found that the hole was large enough for the saw to pass through.
"I will begin at the bottom of the panel while you saw away at the top." Paolo had done his share by the time the holes along the bottom were ready for the saw.
"Now you take the auger again," Hector said.

"We have not done half our work yet.