eleven o'clock
It 's your chance -- go -- I ca n't tonight . '' Nothing could induce Coppoc to desert his comrade and leave him to certain death when his escape should be known . They replaced the bricks , covered the debris and waited until the following night . At eleven o'clock they cut the manacles and Coppoc crawled out first . He had barely touched the ground when Cook followed . They glanced about the yard and it was deserted . They strained their eyes to make out the figure of the guard who passed the brick wall .