2.14.19.1 problem 1801 out of 2993
2.14.19.2 problem 1802 out of 2993
2.14.19.3 problem 1803 out of 2993
2.14.19.4 problem 1804 out of 2993
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2.14.19.10 problem 1810 out of 2993
2.14.19.11 problem 1811 out of 2993
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2.14.19.14 problem 1814 out of 2993
2.14.19.15 problem 1815 out of 2993
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2.14.19.27 problem 1827 out of 2993
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2.14.19.41 problem 1841 out of 2993
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2.14.19.43 problem 1843 out of 2993
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2.14.19.46 problem 1846 out of 2993
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2.14.19.49 problem 1849 out of 2993
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2.14.19.56 problem 1856 out of 2993
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2.14.19.58 problem 1858 out of 2993
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2.14.19.69 problem 1869 out of 2993
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2.14.19.75 problem 1875 out of 2993
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2.14.19.77 problem 1877 out of 2993
2.14.19.78 problem 1878 out of 2993
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2.14.19.86 problem 1886 out of 2993
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2.14.19.100 problem 1900 out of 2993