Which of the following watches from casio is the newest?
    Casio GB-X6900B
    Casio GB-6900B
    Casio GB-5600B
    Casio STB-1000
    Casio GBX-100
    Casio GBD-100
    Casio GBD-200
    Casio GBD-H1000
 The words with all capital letters should appear at least 19 times.
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