| 1 / 3 + 1 / 3 + 1 / 3 |
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| 2 / 5 + 1 / 5 + 1/5 = |
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| 1 / 5 + 1 / 5 + 3 / 5 = |
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| 1 / 5 + 1 / 5 + 1/5 = |
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| 1 / 6 + 2 / 6 + 1/6 = |
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| 1 / 4 + 1 / 4 + 1 / 4 = |
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| 1 / 8 + 3 / 8 + 3 / 8 = |
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| 2 / 8 + 1 / 8 + 3 / 8 = |
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| 4 / 9 + 1 / 9 + 2 / 9 = |
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| 5 / 9 + 2 / 9 + 1 / 9 = |
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| 2 / 12 + 4 / 12 + 5 / 12 = |
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| 4 / 12 + 3 / 12 + 3 / 12 = |
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| 4 / 15 + 3 / 15 + 6 / 15 = |
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| 3 / 15 + 7 / 15 + 4 / 15 = |
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| 9 / 15 + 2 / 15 + 1 / 15 = |
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| 3 / 18 + 6 / 18 + 7 / 18 = |
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| 8 / 18 + 4 / 18 + 3 / 18 = |
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| 13 / 18 + 3 / 18 + 1 / 18 = |
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| 5 / 18 + 3 / 18 + 5 / 18 = |
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| 9 / 18 + 1 / 18 + 4 / 18 = |
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