This pattern zigs itself one way and zags itself the other way. Even
the most zealous will find some unusual words.
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
|#####| 1 | 2 | 3 | 4 | 5 | 6 | |#####| 7 |#####| 8 | 9 | 10 | 11 | 12 | 13 | |#####|
|#####| | | | | | | |#####| |#####| | | | | | | |#####|
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| 14 |#####| 15 | | | | |#####| 16 | | 17 |#####| 18 | | | | |#####| 19 |
| |#####| | | | | |#####| | | |#####| | | | | |#####| |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| 20 | 21 |#####| |#####| 22 | | | | | | | | |#####| |#####| 23 | |
| | |#####| |#####| | | | | | | | | |#####| |#####| | |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| 24 | | 25 |#####| 26 | | |#####| 27 | | |#####| 28 | | 29 |#####| 30 | | |
| | | |#####| | | |#####| | | |#####| | | |#####| | | |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| 31 | | | 32 | | |#####| 33 |#####| |#####| 34 |#####| 35 | | 36 | | | |
| | | | | | |#####| |#####| |#####| |#####| | | | | | |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| 37 | | | | |#####| 38 | | 39 | | 40 | | |#####| 41 | | | | |
| | | | | |#####| | | | | | | |#####| | | | | |
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| 42 | | |#####| 43 | 44 |#####| 45 | | | | |#####| 46 | |#####| 47 | | |
| | | |#####| | |#####| | | | | |#####| | |#####| | | |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| 48 | |#####| 49 | | | |#####| 50 | | |#####| 51 | | | 52 |#####| 53 | |
| | |#####| | | | |#####| | | |#####| | | | |#####| | |
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| |#####| 54 | | | |#####| 55 | | | | 56 |#####| 57 | | | 58 |#####| |
| |#####| | | | |#####| | | | | |#####| | | | |#####| |
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|#####| 59 | | |#####|#####| 60 | | |#####| 61 | | |#####|#####| 62 | | |#####|
|#####| | | |#####|#####| | | |#####| | | |#####|#####| | | |#####|
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| 63 |#####| 64 | | 65 | 66 |#####| 67 | | 68 | | |#####| 69 | 70 | | |#####| 71 |
| |#####| | | | |#####| | | | | |#####| | | | |#####| |
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| 72 | 73 |#####| 74 | | | 75 |#####| 76 | | |#####| 77 | | | |#####| 78 | |
| | |#####| | | | |#####| | | |#####| | | | |#####| | |
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| 79 | | 80 |#####| 81 | | | |#####| |#####| 82 | | | |#####| 83 | | |
| | | |#####| | | | |#####| |#####| | | | |#####| | | |
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| 84 | | | 85 | | | |#####| 86 | | 87 |#####| 88 | | | 89 | | | |
| | | | | | | |#####| | | |#####| | | | | | | |
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| 90 | | | |#####| |#####| 91 | | | | 92 |#####| |#####| 93 | | | |
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| 94 | | |#####| 95 | | 96 | |#####| |#####| 97 | 98 | | 99 |#####| 100 | | |
| | | |#####| | | | |#####| |#####| | | | |#####| | | |
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| 101 | |#####| 102 | | | |#####| 103 | | 104 |#####| 105 | | | 106 |#####| 107 | |
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| |#####| 108 | | | |#####| 109 | | | | 110 |#####| 111 | | | 112 |#####| |
| |#####| | | | |#####| | | | | |#####| | | | |#####| |
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|#####| 113 | | | |#####| 114 | | | | | | |#####| 115 | | | |#####|
|#####| | | | |#####| | | | | | | |#####| | | | |#####|
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