Ortholite rea

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38 39 40 41 42 43 44 45 46 47

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39 40 41 42 43 44 45 46 47 48

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40 42 43 44 45 46 37 38 39 41 47

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38 40 41 44 45 46

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39 46 47

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38 44

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36 40 41 42 44

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42½ 44 45 46 47 48 46½

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38 39 40 41 42 43 44 45 44½ 46 48

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36 44 45 44½ 47

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47 44½ 41½

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42 45 44½ 47 48 48½

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45 44½ 48

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44

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44 44½

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46

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45 47

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47

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42 45 48 44½ 48