Ortholite

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47½

---

40 43½

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45 47 47½ 48

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48½

---

42 43 47

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44 44½ 47

---

38

---

46

---

38

---

45 47

---

44½

---

36

---

37

---

38

---

37

---

37

---

44

---

37

---

38

---

36 37

---

39

---

36 37

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37

---

37 40 41

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37 38 40 41 42 44

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31 33 36

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37 38 39 40 41 42 43 45 46 47

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42 44 45 44½ 47 48½

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38 39 40 41 42 43 44 45 46 47

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30 31 32 33 34 35 36 37

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37 38 39 40 40½ 41 42 42½ 43 44 45 44½ 46 47

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30 31 32 33 34 35 36 37 38

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43 44

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44 44½

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45 36 37 39 41 42 46 47