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document.write ('
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document.write (' | ')
document.write ('
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document.write (' | ')
document.write ('')
document.write (' ')
function left()
{
document.write ('')
document.write ('')
document.write ('  | | ')
document.write (' | | ')
document.write (' | | ')
document.write (' | | ')
document.write (' | | ')
document.write (' | | ')
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document.write (' | | ')
document.write (' | | ')
document.write (' | | ')
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document.write (' ')
} | |
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document.write ('