The time in my digital watch just changed to 20: 11. How many minutes later will it next show a time with the digits 0, 1, 1, 2? [NSTSE ‘13]

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The time in my digital watch just changed to 20: 11. How many minutes later will it next show a time with the digits 0, 1, 1, 2?      [NSTSE ‘13]