53:33 · This structure is used both as one of the graphs for the US currency and as a sign used in computer programming.
    When is placed after the name of a variable in the programming language BASIC, it indicates that it contains a text.
    In other computer languages in front of a string of signs means string of hexadecimal numerals.
    For data on the hexadecimal system, see the sign in Group 46.

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