100 seconds hourglass timer breakfiller countdown BBC 2005

Start from hourglass from 2.7% to 0.0% with BBC 2005
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0:00 100sec
0:10 90sec
0:20 80sec
0:30 70sec
0:40 1min
0:50 50sec
1:00 40sec
1:10 1/2min
1:20 20sec
1:30 10sec
1:40 0sec