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x2+20


X
x2+20


X
x2+20


X
x2+20


X
x2+20



X
x2+20


X
x2+20


X
x2+20


X
x2+20


X
x2+20


X
x2+20


X
x2+20


X
x2+20



X
x2+20


X
x2+20


X
x2+20


X
x2+20


X
x2+20


X
x2+20


X
x2+20


X
x2+20



X
x2+20


X
x2+20


X
x2+20


X
x2+20


X
x2+20


X
x2+20


X
x2+20


X
x2+20



X
x2+20



X
x2+20


X
x2+20


X
x2+20


X
x2+20


X
x2+20



X
x2+20


X
x2+20


X
x2+20


X
x2+20


X
x2+20


X
x2+20


X
x2+20



+15


+15


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+15



+15


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+15


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+15


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+15


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+15


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+15























































