Fat Man and Little Boy

:55:01

24, 23, 22, 21 , 20,

:55:06

19, 18, 1 7, 16, 15, 1 4,

:55:12

13, 12, 1 1 , ten,

:55:17

nine, eight, seven, six, five,

:55:22

four, three, two, one, zero.